OpenTechnical

OT-2026-000055415

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000055415) never changes.

Identity and time

Publication numberOT-2026-000055415 · never reused
Internal UUID01a0ae86-a101-7a63-877a-e443267c59ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055415
StatusPUBLIC

Content hashes

Canonical text4a1ae2b438033e142c21b95b62489336c3e1f496cdfabbf94965f3b6d8f6b0a4
Markdowndeb25e1e70baaaf7ea1f90004ed80db145e3b97491745b6d248c71d050c94294
PDF
Publication pageee3e6ee6524aebc8274a664b43da561a4be9873542163ababc55f68f4f36605f
Manifestbcd890ee3d0524b56dfe1be7f5530f8934c5468d7e76347bd2d55aa1e08feec6

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
SignaturenCo09UuYF7dfi+HqclJMJvtz9vmlEwa7Z/qX7FRd28khd3Snqoyp//GtBTXk7mneF3Ng1rcwbb17t3iZty4KCg==
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

2026-09-17T10:52:03.569964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055415
observed ee3e6ee6524aebc8274a664b43da561a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.553322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055415/manifest.json
observed bcd890ee3d0524b56dfe1be7f5530f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.535368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055415/publication.md
observed deb25e1e70baaaf7ea1f90004ed80db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.517524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055415/publication.txt
observed 4a1ae2b438033e142c21b95b62489336...
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

Custody packagePending Custody packages are produced weekly.