OpenTechnical

OT-2026-000039976

Publication integrity record

Four bellows cup vacuum gripper, 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-2026-000039976) never changes.

Identity and time

Publication numberOT-2026-000039976 · never reused
Internal UUID01a0ae78-d8d7-79c5-85a7-b362d3c8b77d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039976
StatusPUBLIC

Content hashes

Canonical text0c6efd1920e219d4d74f9e3d082ef9bb4724f9f3af645feee14200b1d2fe2d33
Markdownc05a75658b29742b2439ac6a3417428da319d9ff1128626134dff3c43a8551cd
PDF
Publication page7678a24e0e08816bec2a3842f025f7d99d1f239f6ad3e6279a53709c8d14d9b7
Manifest9ecf89b990775e9458333667af1c02862655a3701129b58689d22df7f6765c56

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
SignaturedOO0fI+0VulEL24loP8zaST9HxpLz3dKd1nV3QRs7319kVxnk2DnHelJouhaiR7HyP5N7ShHwSOcVkDmlOoGBQ==
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

2026-09-17T11:20:18.191744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039976
observed 7678a24e0e08816bec2a3842f025f7d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.170071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039976/manifest.json
observed 9ecf89b990775e9458333667af1c0286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.150893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039976/publication.md
observed c05a75658b29742b2439ac6a3417428d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.133519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039976/publication.txt
observed 0c6efd1920e219d4d74f9e3d082ef9bb...
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.