OpenTechnical

OT-2026-000010980

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, vented 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-2026-000010980) never changes.

Identity and time

Publication numberOT-2026-000010980 · never reused
Internal UUID01a0ae6c-540e-743a-97d1-e89534443e39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010980
StatusPUBLIC

Content hashes

Canonical text767eebe1c37ec42cadf68e62e9f4e85e4a9bb60f65e1330f6b784f15d8ae1f0c
Markdown9f53baadc3b8a0c2b86a2a9f5960c0698d0252dc19ac216dc21747fd77059c37
PDF
Publication page61785be76f00e38861feed387b4705e2c7d5e7255a1aa887981f4337a6b498e7
Manifestafc07894cd20a920e241289dbd085c5c88dfea6ca4ebf5d3930a197e77554305

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
Signature/Wm5zqbfWTVO4DgrzCA7GVfToBx6e0vpQPAqP+paQMkDjPu1hGZPbSAwgpxfcg2lUcW9KrHIMpFuUn2g5QF+Cw==
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

2026-09-17T12:13:46.931242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010980
observed 61785be76f00e38861feed387b4705e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.912708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010980/manifest.json
observed afc07894cd20a920e241289dbd085c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.894495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010980/publication.md
observed 9f53baadc3b8a0c2b86a2a9f5960c069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.874204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010980/publication.txt
observed 767eebe1c37ec42cadf68e62e9f4e85e...
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.