OpenTechnical

OT-2026-000074750

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000074750) never changes.

Identity and time

Publication numberOT-2026-000074750 · never reused
Internal UUID01a0ae93-ac2b-7afa-99d0-3f64bc90992f · 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-2026-000074750
StatusPUBLIC

Content hashes

Canonical texta49c15e372a02ee7c961ceab624a3f448fdd7cb343ccd2a0b09c8906469fa5ca
Markdown94a461da976bf2fbfc875b984badc8f1aed61c123f8b0fab175bb3be474cc6f3
PDF
Publication page2a5148cbd918e3bdbd31ab2268f4100901dc00c6871cb1fbe61ab4186655ff17
Manifest34e6d0bc554efd1c8b9df9cc26c81260d45d2ce4b96a1c0307f475f48437db9d

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
SignatureSktB/0QB73bzPR+gRaBlFlA/IqKSUQt16ck5fpoSAG4HK5WvikrXB5hytCjTf+hO6i11JRv9n6zEWdFeg15oAw==
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

2026-09-17T10:18:26.242144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074750
observed 2a5148cbd918e3bdbd31ab2268f41009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.223587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074750/manifest.json
observed 34e6d0bc554efd1c8b9df9cc26c81260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.205619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074750/publication.md
observed 94a461da976bf2fbfc875b984badc8f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.186294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074750/publication.txt
observed a49c15e372a02ee7c961ceab624a3f44...
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.