OpenTechnical

OT-2026-000077099

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000077099) never changes.

Identity and time

Publication numberOT-2026-000077099 · never reused
Internal UUID01a0ae94-f507-77ec-95f6-8a8c153c4e4d · 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-2026-000077099
StatusPUBLIC

Content hashes

Canonical text9e3eb9cf9729da983d0da425e1010f016c2ca0f6e14d7bd85262e9d97fb8abca
Markdown25e2acd2cf91d7eac1b33b21bf9f85de880b684d5b9805547c78227a6b6257cd
PDF
Publication page89025637380856decf11603e3c1962bd525370ff9d71f78c5778d4fcdb69f22c
Manifest6b8fc3534226864dbce354b75946042833f76d6d29d8bb47225cbdea304e1892

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
SignatureVwSsD2xldnUbfmVFrN4Tgi0rul+/07BxRg0oYMnjKpfjISSy1PXzZX40QyKfuNf4SMk/fbuQ/pfMi90jy0kAAQ==
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

2026-09-17T10:11:32.519525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077099
observed 89025637380856decf11603e3c1962bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.500337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077099/manifest.json
observed 6b8fc3534226864dbce354b759460428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.480202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077099/publication.md
observed 25e2acd2cf91d7eac1b33b21bf9f85de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.457610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077099/publication.txt
observed 9e3eb9cf9729da983d0da425e1010f01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.789601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077099
observed 89025637380856decf11603e3c1962bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.771354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077099/manifest.json
observed 6b8fc3534226864dbce354b759460428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.754100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077099/publication.md
observed 25e2acd2cf91d7eac1b33b21bf9f85de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.734125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077099/publication.txt
observed 9e3eb9cf9729da983d0da425e1010f01...
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.