OpenTechnical

OT-2026-000077254

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000077254) never changes.

Identity and time

Publication numberOT-2026-000077254 · never reused
Internal UUID01a0ae94-f508-73f6-9e0f-4b1bac84f8a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077254
StatusPUBLIC

Content hashes

Canonical text6d3dbe0e100af48a890aa4a875914eaefde462b83dcb79ce2051a5566a31663b
Markdownfa2564dc241152627eb0dd971285bd9bbc99d8a15f10e1d6e140af4d9f71406a
PDF
Publication page1db553ebcacc49efa26ad72e3f648df3772710d04680e836c6fcae9536dd2bdf
Manifest384bdd6b32e5e08d9fd726e542d7bfcd5f626aa085b128ae173bf5842f098861

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
SignaturelePp0/by8C4Q30qeoh7EksXLrNuxBjQgWGs0AbBUDatuGRGRRJtcA44AKAq5RmSPGUGHmYtuudT8cA3EtMWbCw==
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

2026-09-17T10:08:52.421380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077254
observed 1db553ebcacc49efa26ad72e3f648df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.403855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077254/manifest.json
observed 384bdd6b32e5e08d9fd726e542d7bfcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.385300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077254/publication.md
observed fa2564dc241152627eb0dd971285bd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.364748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077254/publication.txt
observed 6d3dbe0e100af48a890aa4a875914eae...
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.