OpenTechnical

OT-2026-000075736

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000075736) never changes.

Identity and time

Publication numberOT-2026-000075736 · never reused
Internal UUID01a0ae94-29fe-7582-82ec-c600a1933c6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075736
StatusPUBLIC

Content hashes

Canonical text77ce179fe646d0ae87f75e67720dcd5d04cac91cf13026523b3332d084e70445
Markdowne1d80c5a3a308d7cd5abfeafc3a2662f08bab0e5e6d1a30bb0f2b484e2d684eb
PDF
Publication pagec13e1a046d4bb46cc57149feb02c309d48c9707dec55fe4799a62bd6127ecdbb
Manifestaf7847c71152f858fa825f90276e7a15c939cae2a72d0d6d74d0ebf7b287a2b5

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
Signature9S4Jpbvi0OwTZ/wNJRTxMBd/bYnTaaYWri0W/ui7ArFPR/+f7KW+bbHP3gZOaJ9Cq9WMsivY0UOt0rtip6S2Ag==
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

2026-09-17T10:14:03.057348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075736
observed c13e1a046d4bb46cc57149feb02c309d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:03.037471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075736/manifest.json
observed af7847c71152f858fa825f90276e7a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:03.016945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075736/publication.md
observed e1d80c5a3a308d7cd5abfeafc3a2662f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:02.996685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075736/publication.txt
observed 77ce179fe646d0ae87f75e67720dcd5d...
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.