OpenTechnical

OT-2026-000089665

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000089665) never changes.

Identity and time

Publication numberOT-2026-000089665 · never reused
Internal UUID01a0ae9c-1a22-759b-b213-7fe0807d7e1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089665
StatusPUBLIC

Content hashes

Canonical textcbf58fc4c272530225d54b85a30e0050bb33b1f56c6a9566972c42ddd4781b78
Markdownedaf1eaa38af22dd875408ca4832c8c67daf1537ee2c8831bcb12fbb92976a57
PDF
Publication pagea900c1d11cbe456ebc8f454c2c48afcf0c0c256b37b7c138258a9902e6c0f1d4
Manifest9d7085bd2cca715d8488d40a0f6b3816d425cecb21c061fa67c89e390a96592f

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
SignatureKOg7VlBjUlGJ0soeFMt80yUAhNgDckaSOWTa6ppQtPlGje949z/cwFIf4cGwJSIV1b2pMc0OqA+dnAxl+F0+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:39.557910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089665
observed a900c1d11cbe456ebc8f454c2c48afcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.540122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089665/manifest.json
observed 9d7085bd2cca715d8488d40a0f6b3816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.521541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089665/publication.md
observed edaf1eaa38af22dd875408ca4832c8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.505593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089665/publication.txt
observed cbf58fc4c272530225d54b85a30e0050...
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.