OpenTechnical

OT-2026-000076572

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000076572) never changes.

Identity and time

Publication numberOT-2026-000076572 · never reused
Internal UUID01a0ae94-b06e-7101-8491-0995ff0553ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076572
StatusPUBLIC

Content hashes

Canonical text0921e4541b8dc5b9a892c7515aa50d2bc542fae04888318503a778a11548097d
Markdown271665b68ccf2dbc170fc1d8cd1878f20817f2b70e08c58293cc2464eab11c5c
PDF
Publication page98aafc3f8a3aebf3fe92bbd0b5fba228ad0eb75589cfb517ebbf62cb5155c743
Manifestd601e8758dfed1d5a42bc6ca0edcfb1afa7dcbc58f248914a7262e2afc2531ce

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
Signaturehwhert3B5rIfcR2Dq7erwnfzuMLasctQK81sT1lHcgIk7KbhLlSWOXOvITHV0aVVjhPJrAk3Gn9HEV+R0iiHAQ==
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

2026-09-17T10:09:17.497197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076572
observed 98aafc3f8a3aebf3fe92bbd0b5fba228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.477795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076572/manifest.json
observed d601e8758dfed1d5a42bc6ca0edcfb1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.460048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076572/publication.md
observed 271665b68ccf2dbc170fc1d8cd1878f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.440539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076572/publication.txt
observed 0921e4541b8dc5b9a892c7515aa50d2b...
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.