OpenTechnical

OT-2026-000076634

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000076634) never changes.

Identity and time

Publication numberOT-2026-000076634 · never reused
Internal UUID01a0ae94-b06e-7059-964f-418b8e453479 · 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-2026-000076634
StatusPUBLIC

Content hashes

Canonical text616b151555521bed70ab263db9a02f346aa89f8e2150530cb7ca38449a7b982c
Markdown85cd238cdc07d41aa15546c9b1403151a10481dd8329869bf2b2133bc9cfe754
PDF
Publication page9e79d153af4f533d17e3903b886324e22ff78881784e96cb3bf7c4d9d1d1bb1e
Manifest46020bd176b11531b97d24726a8669afbb5b54fbf5c50b61d3fdb993a95fb9d6

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
SignatureB91ZjyAck8FLRXmbwv/xeQdO3hDyvIgqh0YxGdncqSXBz0nPl0EWACt6UZBsiNj3rOggdc+ojw/voYQbc4g4Bg==
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

2026-09-17T10:09:14.763611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076634
observed 9e79d153af4f533d17e3903b886324e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.745039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076634/manifest.json
observed 46020bd176b11531b97d24726a8669af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.692061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076634/publication.md
observed 85cd238cdc07d41aa15546c9b1403151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.637581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076634/publication.txt
observed 616b151555521bed70ab263db9a02f34...
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.