OpenTechnical

OT-2026-000037771

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000037771) never changes.

Identity and time

Publication numberOT-2026-000037771 · never reused
Internal UUID01a0ae77-f889-79ac-91cb-d2f0f0b12a1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037771
StatusPUBLIC

Content hashes

Canonical text09fc52f71ccb8a1eb219dc0551350bcb2f244e3d5290dc28ee30957e72793c1e
Markdown999f0ce819ead454c590af0d70fb0794374d369e24bca77c0ff279f1e9503213
PDF
Publication page0bf10eb667324abb9594680fd971c15869eaf7af79a4a77f3e1313dd70496106
Manifest76864ac8a949f9069b026eb09941c8e10706e1727dacebaeb87d3c46169bc696

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
SignaturePjA/M6+kA+ipL4Wi7kV0xfDIM4rcRF9p2K2wjILR4NKA6iyIX6tPRsE7Hy5kE5hQ8cgPy1q8VX3EojeZ0t5BCA==
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

2026-09-17T11:23:00.163270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037771
observed 0bf10eb667324abb9594680fd971c158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.145337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037771/manifest.json
observed 76864ac8a949f9069b026eb09941c8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.124900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037771/publication.md
observed 999f0ce819ead454c590af0d70fb0794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.107110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037771/publication.txt
observed 09fc52f71ccb8a1eb219dc0551350bcb...
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.