OpenTechnical

OT-2026-000074760

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000074760) never changes.

Identity and time

Publication numberOT-2026-000074760 · never reused
Internal UUID01a0ae93-ac2b-79ad-921a-19a8755ef40e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074760
StatusPUBLIC

Content hashes

Canonical text2011295bf9b10f3335b5955ab9de1e89a41391a9491c9ddfc362e23cf7c3c308
Markdown4ba20cd11bff82c22a372a5c88736cccce4917a6015c76b5660980b6b51e8bc6
PDF
Publication pageae249f93f20de0bb7d489524c8d64a815cb143ed0baf0992a8308c45fca17a9a
Manifest93ffb5606f638c081d5ebcd1c6b7543ecde19e562f1b95163e6f6a9eb7e5f304

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
Signaturexc32DitXw1fR3VPAUhh9T3OX+v0hBaUM80LsuyYSmRSbeSWNDJApaZrYJ36Fer5dvjEZ/gPzt3UIHQMIbqQCBw==
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

2026-09-17T10:18:27.021670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074760
observed ae249f93f20de0bb7d489524c8d64a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.003848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074760/manifest.json
observed 93ffb5606f638c081d5ebcd1c6b7543e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.986254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074760/publication.md
observed 4ba20cd11bff82c22a372a5c88736ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.966173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074760/publication.txt
observed 2011295bf9b10f3335b5955ab9de1e89...
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.