OpenTechnical

OT-2026-000012784

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000012784) never changes.

Identity and time

Publication numberOT-2026-000012784 · never reused
Internal UUID01a0ae6d-5563-71b9-bbed-0309f5473fbd · 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-2026-000012784
StatusPUBLIC

Content hashes

Canonical text830f07ceb2ea2d526045e553a53d43eb208855f21c2a26fc9c4ef1fee6f9e15b
Markdown64f8027c712e8407a435c678c661628e4dfd5fdb473b5c5f0e1d5bc955c5b907
PDF
Publication page670403070c046c33bea3403f80b2a06d75904f9937a2dd3b79504bf5d028926f
Manifest650402dc47347791ba0b2ab6e16d50ee3ed0347630128b173aa817bfdc18f257

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
SignatureiMQLADjj28tD9j7WcnBCk/vFVKkv6zYELqBkeJ/AaAQ9WhMz3kpmpdkCxSA6a83wzZYju9/6ZRIRTvdEMZbOCQ==
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

2026-09-17T12:10:30.265573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012784
observed 670403070c046c33bea3403f80b2a06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.246427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012784/manifest.json
observed 650402dc47347791ba0b2ab6e16d50ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.226254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012784/publication.md
observed 64f8027c712e8407a435c678c661628e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.207071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012784/publication.txt
observed 830f07ceb2ea2d526045e553a53d43eb...
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.