OpenTechnical

OT-2026-000009944

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000009944) never changes.

Identity and time

Publication numberOT-2026-000009944 · never reused
Internal UUID01a0ae6b-cb79-77c4-b68f-e8b5fead0364 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009944
StatusPUBLIC

Content hashes

Canonical text3bea029b73c210e41ac922e920a399095274147dc042eec8679dc6ff15cc5fe5
Markdownb69e870325adcc279cd55b4e0fd299544ba6e707506523898ff661c73c3e46ab
PDF
Publication page9c995e1a2dbcf9ea827285a02a0a4b8f4313a2ec5a62f1097e71f1e2fd4c6f4b
Manifest77365fffdea51e344e122f346f0fa959efd42086ded9505cee6a3a5e851767cd

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
SignatureOfdxZ0ljPjjqn/TpDqHsPP0kXJ5dRl/+TwbGQP3VXKmG5sxVRU7j+vYesefYtgDG2ptcbYH67w9F7k2pYNHdCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:58.548525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009944
observed 9c995e1a2dbcf9ea827285a02a0a4b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.530861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009944/manifest.json
observed 77365fffdea51e344e122f346f0fa959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.512118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009944/publication.md
observed b69e870325adcc279cd55b4e0fd29954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.493038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009944/publication.txt
observed 3bea029b73c210e41ac922e920a39909...
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.