OpenTechnical

OT-2026-000077067

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077067) never changes.

Identity and time

Publication numberOT-2026-000077067 · never reused
Internal UUID01a0ae94-f507-7d97-8f85-800613ae5e3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077067
StatusPUBLIC

Content hashes

Canonical textd284583167b79a8623742a024b2a99a1d5e7d4506602b8561e9c023774e23193
Markdown3af5d3e25a609e1264b2cf4914726d36f5c96274063896f657a8bc62c2c4c02e
PDF
Publication page8b806c65f10ffd01b97953de13969a1bb03f197b88e92c4e28c4c772c1285043
Manifest4382eab655e98a11b5552a400053fa1ac7af7ddd8ee9d21ee02d8f50ce350cca

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
SignaturevBsp2lp/DgMsY/FRshnmj9IPZDstuJKlfngByzhiBE22rhncxK9Xuh5Z414kEgP6cH30Npb7OJomZD+h9zCKAw==
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

2026-09-17T10:11:24.201549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077067
observed 8b806c65f10ffd01b97953de13969a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.056921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077067/manifest.json
observed 4382eab655e98a11b5552a400053fa1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.038165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077067/publication.md
observed 3af5d3e25a609e1264b2cf4914726d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.018085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077067/publication.txt
observed d284583167b79a8623742a024b2a99a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.049308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077067
observed 8b806c65f10ffd01b97953de13969a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.032219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077067/manifest.json
observed 4382eab655e98a11b5552a400053fa1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.012628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077067/publication.md
observed 3af5d3e25a609e1264b2cf4914726d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.994327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077067/publication.txt
observed d284583167b79a8623742a024b2a99a1...
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.