OpenTechnical

OT-2026-000087269

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000087269) never changes.

Identity and time

Publication numberOT-2026-000087269 · never reused
Internal UUID01a0ae9a-cd4e-7b41-bc8a-02c363802a17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087269
StatusPUBLIC

Content hashes

Canonical text80029e962f0975f8aa0afada4526c33d3614d3f8b321812050ca056f06b3df70
Markdowna3d59b90052a1c36fd291ecdaf2d3dbe56b22598f3ae55a1114f9633394dac01
PDF
Publication pagea045dc9ff42a8d0e387699480ddcb7957a5f58d3de63edf8bca7af94a7196ee8
Manifest16e3c1bfdef037fc40731ca1edad2ed2a29ecf1b61c2bf4ce842fd8604609308

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
Signatureg1GS/ZH5MFjDLggLix1Tgi9/MAO3gYrw2dxzfbnFWFQjdckEW5FEXF4G3Ul+wmYUt6rr7rkzz5cMUb0pny8gBA==
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

2026-09-17T09:50:23.424172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087269
observed a045dc9ff42a8d0e387699480ddcb795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.402648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087269/manifest.json
observed 16e3c1bfdef037fc40731ca1edad2ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.377896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087269/publication.md
observed a3d59b90052a1c36fd291ecdaf2d3dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.377884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087269
observed a045dc9ff42a8d0e387699480ddcb795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.359597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087269/publication.txt
observed 80029e962f0975f8aa0afada4526c33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.359246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087269/manifest.json
observed 16e3c1bfdef037fc40731ca1edad2ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.339484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087269/publication.md
observed a3d59b90052a1c36fd291ecdaf2d3dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.321197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087269/publication.txt
observed 80029e962f0975f8aa0afada4526c33d...
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.