OpenTechnical

OT-2026-000087272

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-2026-000087272) never changes.

Identity and time

Publication numberOT-2026-000087272 · never reused
Internal UUID01a0ae9a-cd4e-796e-8c2e-d1688e16dcbe · 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-2026-000087272
StatusPUBLIC

Content hashes

Canonical text14b72898fc9fbd75cd1a473cec21fbb438c0961b700b2a75a4db4baf927876ba
Markdowncf66d2a14e020539fa45226995ad67df677598458a7f024f161a5c378f0c70c6
PDF
Publication pageb37553d269b2ffbd821b97629d71d7655c764fd289953703e8480c2435dca544
Manifest9d406f33bb588d44cce325e4433ed425efd75431f26166a507eb24bad8a3adb4

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
SignatureXGL2DVXR+AN1M+gfkjIwWmQr2Q4R2DU5CqYj4WtDWDD6O9AGnrm56GbEj6Kp6qsPtdoU0wqsivgRdPwLYDgPAA==
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

2026-09-17T09:50:23.252855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087272
observed b37553d269b2ffbd821b97629d71d765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.232210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087272/manifest.json
observed 9d406f33bb588d44cce325e4433ed425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.213350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087272/publication.md
observed cf66d2a14e020539fa45226995ad67df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.208583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087272
observed b37553d269b2ffbd821b97629d71d765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.193678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087272/publication.txt
observed 14b72898fc9fbd75cd1a473cec21fbb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.187955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087272/manifest.json
observed 9d406f33bb588d44cce325e4433ed425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.164874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087272/publication.md
observed cf66d2a14e020539fa45226995ad67df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.145141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087272/publication.txt
observed 14b72898fc9fbd75cd1a473cec21fbb4...
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.