OpenTechnical

OT-2026-000069877

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000069877) never changes.

Identity and time

Publication numberOT-2026-000069877 · never reused
Internal UUID01a0ae91-1860-75fb-84b3-774eb321d5c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069877
StatusPUBLIC

Content hashes

Canonical texted480317f792329e5c2a091c4989e8a1276eabba651ea5430b9740114ff98494
Markdown078bd59542606ac2e944e37a19212dadbceb469fdb98b373eb268b7dd79e28b8
PDF
Publication page4a6490bb412a831362b2fb681cbe8c6f04b93444346c90bf310879536e9a8985
Manifest0ab6a234b049b2d32149e0ce374b974d1e9e15154d23f68cfad94d9aa5f07be7

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
Signature2Uco7MpNvk6igmRdiFs3QI5FfEda8wUwwipSgLn/Q2hNpKBxqDXYLTkwlCrUbrLAWlxdChj/D6GtvlYja6wlDA==
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

2026-09-17T10:26:42.431624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069877
observed 4a6490bb412a831362b2fb681cbe8c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.414674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069877/manifest.json
observed 0ab6a234b049b2d32149e0ce374b974d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.397885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069877/publication.md
observed 078bd59542606ac2e944e37a19212dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.380774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069877/publication.txt
observed ed480317f792329e5c2a091c4989e8a1...
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.