OpenTechnical

OT-2026-000081948

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000081948) never changes.

Identity and time

Publication numberOT-2026-000081948 · never reused
Internal UUID01a0ae97-0f77-7342-bd18-5b20ab6b4a77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081948
StatusPUBLIC

Content hashes

Canonical text0cd00db902f97e5c1de9bdb14dda9d83d284dc3c9b07228cf8d85e411b12b98d
Markdown64dd937b31d74cdb623bcf82167c34febf2c850e9383aa3ffcdd65f65da1863d
PDF
Publication page62ba96745aeed896de97ba5b12376e234bde007d2fc447e4fd6870a7a16db271
Manifestb4f3063268cc4dc9b52c5d3f69a99ac169b8c0d02b7069e37bb96cdf89ec0123

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
SignatureDpPwoe6L4tVzoWghn9kGhxY4adKYbWyMuBR80vWoXwY1m8KyhC3pWSC+5Q9UUN7fo25L42ZRkRPsqFqkkypODA==
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

2026-09-17T10:01:04.947896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081948
observed 62ba96745aeed896de97ba5b12376e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.931353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081948/manifest.json
observed b4f3063268cc4dc9b52c5d3f69a99ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.915236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081948/publication.md
observed 64dd937b31d74cdb623bcf82167c34fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.899220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081948/publication.txt
observed 0cd00db902f97e5c1de9bdb14dda9d83...
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.