OpenTechnical

OT-2026-000011427

Publication integrity record

Two finger pneumatic gripper, stripped 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-2026-000011427) never changes.

Identity and time

Publication numberOT-2026-000011427 · never reused
Internal UUID01a0ae6c-88fe-70c0-b25f-e714a95c8412 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011427
StatusPUBLIC

Content hashes

Canonical text0254154da7aad3d50dcc89cec5782ad5e40b27ab4a1d88428e5bf49fc437654d
Markdownc6e572da60a655821806c48e7c58685325acd1eadc352d8d659099cebc643edd
PDF
Publication page80d3553f4af391fe5c8744b89c9bde51327b57a6ced841a9ec27ae57e7a2ce75
Manifest0c0d770eb8c5a074c09cfc4195d7e8cee6f3293dcb9f4bcba20ecbdb8b35762e

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
Signatureahqt4E1Qxd3+e2b4cdJxUf9cv6+hb0WpcUM2LmzFLCqAAcBSQrz9QUQSc8nKgrVyEzp+aOQBmt+PTH5IMgEbDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:00.542991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011427
observed 80d3553f4af391fe5c8744b89c9bde51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.503595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011427/manifest.json
observed 0c0d770eb8c5a074c09cfc4195d7e8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.483533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011427/publication.md
observed c6e572da60a655821806c48e7c586853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.439369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011427/publication.txt
observed 0254154da7aad3d50dcc89cec5782ad5...
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.