OpenTechnical

OT-2026-000012976

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000012976) never changes.

Identity and time

Publication numberOT-2026-000012976 · never reused
Internal UUID01a0ae6d-5564-7295-9b2c-10581c5f9757 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012976
StatusPUBLIC

Content hashes

Canonical textc6eaa24d383a64f51d3736bf6fff96249353c948327a3c4167615a5a2cb02288
Markdown61cea5268333a42f032533994be894ad180e286d8dcb7f2349e76a99df1c007c
PDF
Publication pagef3f07dec6a74fa2841cb8844e0dd49c4ff8bcad83bc82e305953afb0e89d0929
Manifestfb352dc27566c3fa1e963b748e3f2930bc39ebb5f6d90069130855a2d38967b7

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
SignatureQgAnIRC1GzAXbqu6zIvp2Hp/IHi5FLDzEhnXvPnn08EAmMcL1S7REU5R9ZWOUaGwu6SFbVdmHFaT6p4zAi6vCA==
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

2026-09-17T12:10:47.303103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012976
observed f3f07dec6a74fa2841cb8844e0dd49c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.283775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012976/manifest.json
observed fb352dc27566c3fa1e963b748e3f2930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.264591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012976/publication.md
observed 61cea5268333a42f032533994be894ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.243286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012976/publication.txt
observed c6eaa24d383a64f51d3736bf6fff9624...
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.