OpenTechnical

OT-2026-000035311

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-2026-000035311) never changes.

Identity and time

Publication numberOT-2026-000035311 · never reused
Internal UUID01a0ae76-6a1f-773b-94c3-93e92d302476 · 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-2026-000035311
StatusPUBLIC

Content hashes

Canonical text77278b65af8769d7412c99f95b3c60806710c5ffb05c51c5519a61c22268232d
Markdown70c9dac4f435a3ebbcafac0d88f346d6abe2626962693774e8a7a427b39ed0f6
PDF
Publication page30fa91ab780f9343324262879801692454b9b85f80a5bd51f568303fb5a6155a
Manifest14e24628d74f4b7a8f5f319b9acf7ae2bca56fdd5e22510e2d760ab8cc7d7c02

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
SignaturetiUBF9lHF7Z+m2u8cvQgmQIu+HDHKYivJwfOCydOw748tw490KUA/AAqwvivqG+Rmth20BdOzmEu8HQlbOYjBQ==
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

2026-09-17T11:28:28.365151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035311
observed 30fa91ab780f93433242628798016924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:28.347548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035311/manifest.json
observed 14e24628d74f4b7a8f5f319b9acf7ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:28.329323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035311/publication.md
observed 70c9dac4f435a3ebbcafac0d88f346d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:28.311445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035311/publication.txt
observed 77278b65af8769d7412c99f95b3c6080...
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.