OpenTechnical

OT-2026-000031060

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000031060) never changes.

Identity and time

Publication numberOT-2026-000031060 · never reused
Internal UUID01a0ae74-3fb8-7ee9-b970-6f0bce7a3fa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031060
StatusPUBLIC

Content hashes

Canonical text894998932cc57ca4c689dedd97cd94093374d6ca830229c1e06cf29b10306436
Markdown65699aba6e4a7040aa848fc99c42bd167ee6d4138a4cda5f1bb294b9b18e160d
PDF
Publication pageeee4a66f446be855eef9806749ad8b3d95e3505fbd25032d89300e329e1a6e98
Manifest2d2891ed951841bbbd1580932e7ed9f526704d1518477558a1dddd9b7cc6e836

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
Signature+ns3kITvJ9BQmLXM3l7/7438KyZTbQPQ3ilgaAzeGh6Lzlh6sTafSmvbN89/Naj9YswHf+vLdu586R6N2xV1BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:09.956788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031060
observed eee4a66f446be855eef9806749ad8b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.937575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031060/manifest.json
observed 2d2891ed951841bbbd1580932e7ed9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.919964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031060/publication.md
observed 65699aba6e4a7040aa848fc99c42bd16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.900129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031060/publication.txt
observed 894998932cc57ca4c689dedd97cd9409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.720851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031060
observed eee4a66f446be855eef9806749ad8b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.704777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031060/manifest.json
observed 2d2891ed951841bbbd1580932e7ed9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.686275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031060/publication.md
observed 65699aba6e4a7040aa848fc99c42bd16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.669584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031060/publication.txt
observed 894998932cc57ca4c689dedd97cd9409...
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.