OpenTechnical

OT-2026-000012622

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000012622) never changes.

Identity and time

Publication numberOT-2026-000012622 · never reused
Internal UUID01a0ae6d-5561-7554-9006-077790a54dda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012622
StatusPUBLIC

Content hashes

Canonical text449d3a627c3ea258cb972ee88c0c14bd74d698d028acf62f6c3f3b14aab5b218
Markdowncb71cd50da719ce021983a1fe3780b0ab457762f6ea3d470dd71a5b48665cf8c
PDF
Publication page6376c8356260cb3109a506e3eac89a95030d632330a7de802fd4c3db5434f662
Manifestbb10640986ab83624300c1ad208daab516d12305eef2e5797d2fc3d2a1441e97

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
SignatureXRkRYNskmZ/GaF5LRjw6JB3aOI4Hzcn14mT7nNKihxte4roGF5ukgZS7o0rSaLXKVx1zZdq+Iw8D9mKa6vJTDw==
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

2026-09-17T12:10:13.359369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012622
observed 6376c8356260cb3109a506e3eac89a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:13.340906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012622/manifest.json
observed bb10640986ab83624300c1ad208daab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:13.321569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012622/publication.md
observed cb71cd50da719ce021983a1fe3780b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:13.301304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012622/publication.txt
observed 449d3a627c3ea258cb972ee88c0c14bd...
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.