OpenTechnical

OT-2026-000100329

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100329) never changes.

Identity and time

Publication numberOT-2026-000100329 · never reused
Internal UUID01a0aea3-3054-791c-8969-08b7adec7f1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100329
StatusPUBLIC

Content hashes

Canonical textaff0af1b381191e4d2100c4a1879d56d6f4926219e6f84cb4a9314b49f38bb0a
Markdownef63b13f94970f7494f85bf256796aba51eddfbccdedab5e0b8f85ed9e6672cc
PDF
Publication page82907a7ec9c93702e178e42f441e7ebd4f85a02569b8b93ecadba12e37fd16fa
Manifest20e70c2992b97e097f82d3c7ff1c3a6b3c59eaed23a34173ac1b5b1342a6affc

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
SignatureQ/c9KTHvWoBauyvxhTg7EasOLiS1B0L0KBf7HWx3I+pKRTf4FHexZ38Ya3g0pomMM/F+dp+Ehi+VoT7oB5ghDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:16.356223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100329
observed 82907a7ec9c93702e178e42f441e7ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.336890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100329/manifest.json
observed 20e70c2992b97e097f82d3c7ff1c3a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.310986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100329/publication.md
observed ef63b13f94970f7494f85bf256796aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.290299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100329/publication.txt
observed aff0af1b381191e4d2100c4a1879d56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.888407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100329
observed 82907a7ec9c93702e178e42f441e7ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.872370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100329/manifest.json
observed 20e70c2992b97e097f82d3c7ff1c3a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.853978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100329/publication.md
observed ef63b13f94970f7494f85bf256796aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.834857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100329/publication.txt
observed aff0af1b381191e4d2100c4a1879d56d...
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.