OpenTechnical

OT-2026-000075743

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000075743) never changes.

Identity and time

Publication numberOT-2026-000075743 · never reused
Internal UUID01a0ae94-29fe-7d5c-8dd3-0c4658e9f57c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075743
StatusPUBLIC

Content hashes

Canonical text60eb4cff3250fd5561a3571e6fa96522b84b4fd677d52e8a2cadad3be3e3d405
Markdownd0f802ce324cb63fca159bf8f7f1171b1571f908c4ebc8b312f7c26ce88e373c
PDF
Publication page56b94a67a914b23b85111740bc2d19d3451bbab733768f541fd6cbba4d5b498b
Manifestcdb68c6fc663a12226a9b1525de435c518dfc2d7ae3ad0608f6784779e785940

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
SignatureV4SGQD7U43fH/4X1LERl9omJyV2TpffE4FGLe0s7AWKzaZqVmC+CiIrWt6ytSgO/RURBCAgTdo0Q+E7dZVxEAg==
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

2026-09-17T10:14:05.525360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075743
observed 56b94a67a914b23b85111740bc2d19d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:05.505683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075743/manifest.json
observed cdb68c6fc663a12226a9b1525de435c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:05.483607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075743/publication.md
observed d0f802ce324cb63fca159bf8f7f1171b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:05.463776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075743/publication.txt
observed 60eb4cff3250fd5561a3571e6fa96522...
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.