OpenTechnical

OT-2026-000057340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057340) never changes.

Identity and time

Publication numberOT-2026-000057340 · never reused
Internal UUID01a0ae87-d5bc-7a92-ab12-87a117c5a1e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057340
StatusPUBLIC

Content hashes

Canonical text0836638c6cd3eaa28b5d5dc23173817a631dc66faad7648c708ebd924c649bd1
Markdown67514fc7678c0d75ef9f648a1aed9726dd211e000d3ade9c07c38a8ba0776de3
PDF
Publication page8a23627873911f3f695c0d550e666514f5031420f846184250abca70f3ca19be
Manifestf0f385c29e571caa2ee603d72f7ea40e62e67d32d4b15761800a91b1d7184618

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature5tRizdYyXNYBgdykWVFCF7nyZVx5in01y4+QG2v4RTLjZe29M1lp1DlTE36ITZTKgV2+0Q+xpwqdlZQwIb0+Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-11-03T04:23:42.118899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057340
observed 8a23627873911f3f695c0d550e666514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-11-03T04:23:42.102639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057340/manifest.json
observed f0f385c29e571caa2ee603d72f7ea40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-11-03T04:23:42.082357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057340/publication.md
observed 67514fc7678c0d75ef9f648a1aed9726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-11-03T04:23:42.061112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057340/publication.txt
observed 0836638c6cd3eaa28b5d5dc23173817a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:40.762642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057340
observed 8a23627873911f3f695c0d550e666514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:40.745629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057340/manifest.json
observed f0f385c29e571caa2ee603d72f7ea40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:40.726509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057340/publication.md
observed 67514fc7678c0d75ef9f648a1aed9726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-05T04:23:40.709539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057340/publication.txt
observed 0836638c6cd3eaa28b5d5dc23173817a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent