OpenTechnical

OT-2026-000067642

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000067642) never changes.

Identity and time

Publication numberOT-2026-000067642 · never reused
Internal UUID01a0ae8f-6bda-7c60-90ea-17b3f5759772 · 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-2026-000067642
StatusPUBLIC

Content hashes

Canonical textb552c1107156819cf4b5052de8a9c11381a3906e713f57622ed4c5d2dbc9f03d
Markdown61dd188b2d3226a38079e29365736722e5f77352b0433db1e8a70f9573b89e7c
PDF
Publication page99dd2ad43eb9041e6e223e2a8263bc84134e2d1938ebdde53cf846fd5a2fc979
Manifest31abb5d0946986115920424c3ae66bf215d6c03ec7fb4908cb634269038b8d61

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
SignaturehV0yKoxR9TqzP21Gmz7CMX6+YE2nD7+Sy6ycm1san9Uv0dGlQvbTis9/xPK2Vd/lXfOfxfAqjhfbqvntXmdGDw==
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

2026-09-17T10:31:58.145495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067642
observed 99dd2ad43eb9041e6e223e2a8263bc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.128096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067642/manifest.json
observed 31abb5d0946986115920424c3ae66bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.110299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067642/publication.md
observed 61dd188b2d3226a38079e29365736722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.091950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067642/publication.txt
observed b552c1107156819cf4b5052de8a9c113...
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.