OpenTechnical

OT-2026-000077675

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077675) never changes.

Identity and time

Publication numberOT-2026-000077675 · never reused
Internal UUID01a0ae95-2ecf-7035-80bd-8bab97b90150 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077675
StatusPUBLIC

Content hashes

Canonical text33fe8b72119f4a6bbdcc86d0f57214c604e04f2f9f059ff4c9aeb60179573ff3
Markdowned9e1e6545cfa61c35b3c272bed602fa38c4e76011db09645cccef56ede4af0a
PDF
Publication page5819eb8039d0ba0e12ecd9e5274d260a1e5bf2aab27a02e6f620cc2468e4f772
Manifeste0949f45a964623eaee96312c880b5b719663494ce3515320b7014dc7c3e1b2a

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
SignatureWAYfO5YVpQx7/un2SFJ7i8TeA4p11xnJmSTAZaP0/OVimbLL8iAbZgnNFcfQldY5V8mYe9U3GNIOWUrVNQH9Cg==
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

2026-09-17T10:07:14.751309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077675
observed 5819eb8039d0ba0e12ecd9e5274d260a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.730059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077675/manifest.json
observed e0949f45a964623eaee96312c880b5b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.711829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077675/publication.md
observed ed9e1e6545cfa61c35b3c272bed602fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.693771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077675/publication.txt
observed 33fe8b72119f4a6bbdcc86d0f57214c6...
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.