OpenTechnical

OT-2026-000079860

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000079860) never changes.

Identity and time

Publication numberOT-2026-000079860 · never reused
Internal UUID01a0ae96-4376-76af-988b-c7ebce0b441d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079860
StatusPUBLIC

Content hashes

Canonical text6edca93812ecbc07ce4e819532c9b98754a5d1a52abdb84e5b82de70070ba233
Markdown914c6ca316c5efd05ec8f4bf6bfcf52f99cb80d84813f9091d6616cb712d1991
PDF
Publication page41bd8b9d679e0e6fae41ff1fcf5cd40319e364e43e6665291ef79762e0196dfa
Manifestff4b3f9222db880f6e1fd1e744716881e1128b664652beec45ec8fde802b286d

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
SignatureBiUgzjW4MAxX/65EDGIwEEBhJTpXINvombzk3ej25CmiHGSQ+2GiniO49K/f7ZuY5AeZOPkMuDsUR67mzy21Dw==
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

2026-09-17T10:03:45.045812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079860
observed 41bd8b9d679e0e6fae41ff1fcf5cd403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.025727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079860/manifest.json
observed ff4b3f9222db880f6e1fd1e744716881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.007674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079860/publication.md
observed 914c6ca316c5efd05ec8f4bf6bfcf52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.989405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079860/publication.txt
observed 6edca93812ecbc07ce4e819532c9b987...
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.