OpenTechnical

OT-2026-000067397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000067397) never changes.

Identity and time

Publication numberOT-2026-000067397 · never reused
Internal UUID01a0ae8f-6bd8-73c1-a67e-08b1f33456b2 · 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-2026-000067397
StatusPUBLIC

Content hashes

Canonical text33f7914c6e93a46add7da9acfc25061900632a7cb6507008c30c6da8b5081f93
Markdowna781cbd4f4b40b3a2e52190c973fe6cc8706cbbfc7db78d67308dc3d35ac1bbf
PDF
Publication page6f0de60a30ac2d220588136fd2e23c9f14a93aafa90fc90157c48fdaba10b06f
Manifestd5012f14aee58770b0d6c94dcd53ff3763bdc1c34de2ec5c9aeba3b40942ab21

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
SignatureLjYbZ/ed4mUo/x72C+v8ga2MXn4peV8RXfZRKVPlJbAqBk2qUf1r1wJwG47FRM6bte1fXEDBpc3PRIuHva2sDw==
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

2026-09-17T10:31:35.397003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067397
observed 6f0de60a30ac2d220588136fd2e23c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.380195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067397/manifest.json
observed d5012f14aee58770b0d6c94dcd53ff37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.362397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067397/publication.md
observed a781cbd4f4b40b3a2e52190c973fe6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.344544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067397/publication.txt
observed 33f7914c6e93a46add7da9acfc250619...
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.