OpenTechnical

OT-2026-000073186

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000073186) never changes.

Identity and time

Publication numberOT-2026-000073186 · never reused
Internal UUID01a0ae92-efb6-779b-939c-13b7fa4ef584 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073186
StatusPUBLIC

Content hashes

Canonical text8ddbfdf8292e6ae2c67fae10c554087016f89e0d200d19ddb6f30af0951300aa
Markdown502a3768f828c7ef45ce7966cf558a5a5a2ead2d4ed86f66dc2b2597068a3b35
PDF
Publication page9304093583f68357a4c3b0a067df6adc53f992818860b9a2d8d152f1582f06d7
Manifest8dbac271b8891561d7d618a1e8ff93f0dd6271e20f772fc6bf62fadd1e6b9a21

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
SignatureVq/ySnydI9fncrleQ6MJa2WSyjyMUtUKCncKsLdQO1Q0SlFNeNswSbgSr70Md++OodLqxtSFmXbRkWCUgX/SCA==
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

2026-09-17T10:21:08.539486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073186
observed 9304093583f68357a4c3b0a067df6adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.520865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073186/manifest.json
observed 8dbac271b8891561d7d618a1e8ff93f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.502853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073186/publication.md
observed 502a3768f828c7ef45ce7966cf558a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.483181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073186/publication.txt
observed 8ddbfdf8292e6ae2c67fae10c5540870...
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.