OpenTechnical

OT-2026-000067967

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000067967) never changes.

Identity and time

Publication numberOT-2026-000067967 · never reused
Internal UUID01a0ae8f-c4fd-7d59-872f-3792755f2b77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067967
StatusPUBLIC

Content hashes

Canonical text839a45087fed653845835e53175124526d12356e61cd6c56b410f7305ddae82d
Markdown7bad2be7e2e66603e2631204a63499573211957be580c9880d609dc3dfc3826a
PDF
Publication page15461c1b98b08ca9f78a7f1832d44eeaa49bf6c56e4599fa08eb4d970823bf6e
Manifeste0c2c0fea8c23517106c109ca4e4fe5da7958f464c75c12fcd9e2a2e3bda3f99

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
SignaturelFqf7+QGtN5agw2Nyj2T/tt1Q0czXQhw1jN8PNMgCtFDJzKpnGrDJai5T7Z8NuleC7UW9C8w1Am4Dok51cCiCQ==
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

2026-09-17T10:30:30.634574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067967
observed 15461c1b98b08ca9f78a7f1832d44eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.613702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067967/manifest.json
observed e0c2c0fea8c23517106c109ca4e4fe5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.595360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067967/publication.md
observed 7bad2be7e2e66603e2631204a6349957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.575479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067967/publication.txt
observed 839a45087fed653845835e5317512452...
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.