OpenTechnical

OT-2026-000073098

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000073098) never changes.

Identity and time

Publication numberOT-2026-000073098 · never reused
Internal UUID01a0ae92-c816-793f-a6f6-51c99bf02ef7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073098
StatusPUBLIC

Content hashes

Canonical text6b594c3514d6f2b8349ad3dba7e0aaa724d26858536aa4b16074e047e23bbf66
Markdowne947bf767be84aedc65489b3d7372f0552d85b90be447d3ce5b8dcd2253af60d
PDF
Publication page35188b4ebce281a8976ea0bf4d4c2d4310a994460a2a56a761010ec76f8b8034
Manifest8d488cad90fbf7eb220813ac0031025a4249806e8cef0b0ef986b6e0aa04cfd3

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
SignatureuQydqQxPu/f4NfHUA7mVMx+L2Ma0Dmfz6oZMNDbKz6gYTdHBKYn41h/4dR4jR5bQOp4UP1OPumPauivG6b2zCQ==
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

2026-09-17T10:22:03.478142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073098
observed 35188b4ebce281a8976ea0bf4d4c2d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.459674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073098/manifest.json
observed 8d488cad90fbf7eb220813ac0031025a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.440686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073098/publication.md
observed e947bf767be84aedc65489b3d7372f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.424556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073098/publication.txt
observed 6b594c3514d6f2b8349ad3dba7e0aaa7...
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.