OpenTechnical

OT-2026-000067269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000067269) never changes.

Identity and time

Publication numberOT-2026-000067269 · never reused
Internal UUID01a0ae8f-6bd6-76b2-82b1-a119a93eb623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067269
StatusPUBLIC

Content hashes

Canonical textffc00e52650713308d10ea2f3033387a1d7a9ad17fcd6b79d9b1f1ea3208be06
Markdown7e43e264a2852474eb19bfc46e27dba1331f608378ded0c3c39600533167cf28
PDF
Publication pagef87848ccdc772909be096ccde0da0acf6d018f1df742b86e72b47265f4b4d61a
Manifestf6b2dd8014e1bc281d4581d243ce0c96281151ce0329209dfd6c02faf9740412

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
Signaturekb65vLvur7lHvqRnDPedlPX4/Gi7Wt0Xn99wp3GuAa+e1rIQV758sRTX/d90wHoBzS3DTYCsSbT/01x41KpZDg==
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

2026-09-17T10:30:57.134801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067269
observed f87848ccdc772909be096ccde0da0acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.118224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067269/manifest.json
observed f6b2dd8014e1bc281d4581d243ce0c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.100140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067269/publication.md
observed 7e43e264a2852474eb19bfc46e27dba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.082282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067269/publication.txt
observed ffc00e52650713308d10ea2f3033387a...
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.