OpenTechnical

OT-2026-000076056

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000076056) never changes.

Identity and time

Publication numberOT-2026-000076056 · never reused
Internal UUID01a0ae94-6a6e-72cd-bee6-46acc14d5cb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076056
StatusPUBLIC

Content hashes

Canonical text7df411376ad96ec96365b4f747cd66e9bad49143e58bec5ebb849f73870ce138
Markdown02195ce4b4524a3db8c79d57b0eeda18535e848c288330ec6c5bb391288064d6
PDF
Publication page9c9ecaf56c916c9bc37669b8f35b3e206ca92597d61beec4c27d111f06950f13
Manifestf63c72c68506349c0728872792b0b3aa3f3b95e5e6a82d9067a49b973983a878

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
SignaturefTKF1rc0qGU8H3xf3S6rU66fys1c+OC4nQKd+tVf+ZgIVwrCjRIzrO0etPQAPpq81ilUVbbSwi0P5/GmFbURCQ==
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

2026-09-17T10:10:46.242925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076056
observed 9c9ecaf56c916c9bc37669b8f35b3e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.225109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076056/manifest.json
observed f63c72c68506349c0728872792b0b3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.204499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076056/publication.md
observed 02195ce4b4524a3db8c79d57b0eeda18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.061132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076056/publication.txt
observed 7df411376ad96ec96365b4f747cd66e9...
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.