OpenTechnical

OT-2026-000035299

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump 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-2026-000035299) never changes.

Identity and time

Publication numberOT-2026-000035299 · never reused
Internal UUID01a0ae76-6a1f-721e-818a-1df6c6c44122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035299
StatusPUBLIC

Content hashes

Canonical text328be6207749c5383373387b567309a173de437b623e74e83e3d2e467ae40d82
Markdownbd280e4869c0a24f3ffb5700ec43ef9f2ba56f75250ae3c91f9d048dcfdac938
PDF
Publication pagea27278adc8a29122d42e33ea9aff10c22c490a46839e04e0cda34c3d9e0e8d19
Manifestdaf2dd57ee453edf92c924edc5e2704dd0a634e65b057e3abfe55d874aebacb7

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
SignaturerIk5HY+aCNq8mhhh6t8DFxoR7atmBtOdgPiou0gqbNr5njCt3EM4iLThYlXWxdC//6UGHRTsD3XotAbEka4ZCg==
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

2026-09-17T11:28:27.479407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035299
observed a27278adc8a29122d42e33ea9aff10c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.461832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035299/manifest.json
observed daf2dd57ee453edf92c924edc5e2704d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.443373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035299/publication.md
observed bd280e4869c0a24f3ffb5700ec43ef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.426032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035299/publication.txt
observed 328be6207749c5383373387b567309a1...
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.