OpenTechnical

OT-2026-000007918

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000007918) never changes.

Identity and time

Publication numberOT-2026-000007918 · never reused
Internal UUID01a0ae6a-908a-743b-a4f7-0f40c61a7e87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007918
StatusPUBLIC

Content hashes

Canonical textb8d2acc2d8bff110f08adbae769d9358dcf1b49956be60ee79e2eba5dafc04dd
Markdownd91569a47ab40f26d19ceb22c87d69a375f088b8663275bd3bf19dfe9657a1b9
PDF
Publication page661e46290c8b7db4bf7fe42a836dc3730a3f5ed5458b405006ee9f27be6d4b0b
Manifest80e2c0a37db9b9d43e36f8e9d9feacee529657d1f3052c49ccec94ead059cd63

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
SignatureFmaS6DxTt3SlgkfYnVgCnW/3SyDhduOfKsJBzr7hrdekEgAlC9zcPuid27P9/RHz2x3c8iJvcbbtwIKS3bMDDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:23.533078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007918
observed 661e46290c8b7db4bf7fe42a836dc373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.512104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007918/manifest.json
observed 80e2c0a37db9b9d43e36f8e9d9feacee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.490526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007918/publication.md
observed d91569a47ab40f26d19ceb22c87d69a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.468473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007918/publication.txt
observed b8d2acc2d8bff110f08adbae769d9358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:02.224603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007918
observed 661e46290c8b7db4bf7fe42a836dc373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:02.204115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007918/manifest.json
observed 80e2c0a37db9b9d43e36f8e9d9feacee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:02.181607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007918/publication.md
observed d91569a47ab40f26d19ceb22c87d69a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:02.159950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007918/publication.txt
observed b8d2acc2d8bff110f08adbae769d9358...
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.