OpenTechnical

OT-2026-000039916

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000039916) never changes.

Identity and time

Publication numberOT-2026-000039916 · never reused
Internal UUID01a0ae78-d8d6-7b83-857f-ab9e63e5e494 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039916
StatusPUBLIC

Content hashes

Canonical text58f1f769562d50af893699444d2db27c6535bb75b801a65fa425f0ee037b63f5
Markdown1a87d0ecd1f2bf7a3eebdbf1df8bc7f06806245c8e4d80b0dae619ffb7d167df
PDF
Publication page431ced22fd6c21ab4c1a02912f9d9e482eda1dab56cf36d694ad86909ce8ed2b
Manifest0ddcae10bebf3e5c91b4bca04aaedbf9b8e95c976a2c3edd0ce1712a0bc8cb90

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
Signaturehj04at/lxg+3u+7N2CE3VeCmwf8rfBdwn5r8gukSlHs1kiCUfxzAF8TOv/r0bP8MmDQe/1dRAdn3Sp2acJJNCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:20:12.726932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039916
observed 431ced22fd6c21ab4c1a02912f9d9e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.707649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039916/manifest.json
observed 0ddcae10bebf3e5c91b4bca04aaedbf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.690277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039916/publication.md
observed 1a87d0ecd1f2bf7a3eebdbf1df8bc7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.671874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039916/publication.txt
observed 58f1f769562d50af893699444d2db27c...
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.