OpenTechnical

OT-2026-000089925

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000089925) never changes.

Identity and time

Publication numberOT-2026-000089925 · never reused
Internal UUID01a0ae9c-428d-7447-8934-86118c58c997 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089925
StatusPUBLIC

Content hashes

Canonical text7db5237487fa3559c073ee8b01b3db71342d72accbe5c7f13db265c4d9d54463
Markdown8a8465ea489585990c98e06564b97afe22ff988e344176f3efc6adfee7090823
PDF
Publication page55553a6b3cee696dc07a424f1e3c7641a4e6ce493be66af7096a155553203954
Manifest9a8bbecb689a657b9a3073aadf30cce507c795ce97d1b678c3519eb89009e2ce

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
SignatureLlSPcYD0tjgzg78HklcX6+bOHX4eaw+1KHPmKh/k+Hjv5AsHPdCtk0HJeJgaCcwPM/W+jo2PwvPXWL1tqIXnBQ==
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

2026-09-17T09:45:12.044849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089925
observed 55553a6b3cee696dc07a424f1e3c7641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.025278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089925/manifest.json
observed 9a8bbecb689a657b9a3073aadf30cce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.006140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089925/publication.md
observed 8a8465ea489585990c98e06564b97afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.988511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089925/publication.txt
observed 7db5237487fa3559c073ee8b01b3db71...
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.