OpenTechnical

OT-2026-000034252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000034252) never changes.

Identity and time

Publication numberOT-2026-000034252 · never reused
Internal UUID01a0ae75-df0d-7451-a115-698ee6501c3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034252
StatusPUBLIC

Content hashes

Canonical text499b8efe5edcb6da33f3a0c0c048a9f4ca7ba1715475dc1364d67b8ed4f58cd3
Markdown6e42d2d4c4a8e4fe6b2d22be42669af42976dbfa197ede9ea70f555a09b42578
PDF
Publication page1988e8c3c0ef6bd2f4d72f8ed89c1fe97eee3c84618fba179a292038f9530209
Manifest72ff6db8065a3140c23254a62b07150339ed62dc92bc267dacf207912459dcb5

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
SignatureEbbV0BbNKflkckMbjUp2+6k0l+V9XDSNpQSsgTkGrVCMgwkQTetGXI1nCnZ0X4sCHs3vTseUbqA/Rp4ukPdxDg==
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

2026-09-17T11:30:48.559425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034252
observed 1988e8c3c0ef6bd2f4d72f8ed89c1fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.544483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034252/manifest.json
observed 72ff6db8065a3140c23254a62b071503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.529143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034252/publication.md
observed 6e42d2d4c4a8e4fe6b2d22be42669af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.514305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034252/publication.txt
observed 499b8efe5edcb6da33f3a0c0c048a9f4...
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.