OpenTechnical

OT-2026-000031694

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000031694) never changes.

Identity and time

Publication numberOT-2026-000031694 · never reused
Internal UUID01a0ae74-bad0-7af4-8962-a9e17acec454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031694
StatusPUBLIC

Content hashes

Canonical text2c12c6e2461816dc5e2fe0ced9d558262b525d69facc14d22efe3d746f6c3fb9
Markdown6c37d7a54e72a2e17834ed02615ca2b20d7f6d645c975740268b41fcf9f61db4
PDF
Publication page99a209abc67a13a914a467d976f7a4d08d537c6254141b260a095c81c57cf9eb
Manifest6a2e6174660df4b02b7128d7db8c79defdafc50c1b674d17d52f10c613e90a94

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
SignatureJ0p6vXlo5ycXWtaS1ANkWITvxjkMyP5Nnpqk/e/+OkuM/foBf1PM383n0XSQfjwEXLbllv5eQmh3g77Sw1qMDg==
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

2026-09-17T11:34:47.960994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031694
observed 99a209abc67a13a914a467d976f7a4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.943038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031694/manifest.json
observed 6a2e6174660df4b02b7128d7db8c79de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.925568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031694/publication.md
observed 6c37d7a54e72a2e17834ed02615ca2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.907570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031694/publication.txt
observed 2c12c6e2461816dc5e2fe0ced9d55826...
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.