OpenTechnical

OT-2026-000031735

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000031735) never changes.

Identity and time

Publication numberOT-2026-000031735 · never reused
Internal UUID01a0ae74-bad0-7f20-a684-5f7a7677fc77 · 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-2026-000031735
StatusPUBLIC

Content hashes

Canonical textcecaa8b8b06e32c4a2755053faacc0144ed2891d01215f3015e402f040d08c17
Markdown31dc4540847a5a577715bad7984fd425402cde14e9f3a857406758c7e0526e69
PDF
Publication page0b174090ce3dc35b671471d15fb25434706e119b3a87d99ad71134a2c6f74eb8
Manifest3cda2eed7088c9c69aa4ccccd3ffac056992712949e1735f2154b4bbb572d600

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
Signature5B+ui0v+sjzYPzmRnuzn8m1C6rErHXR4RUbTe9OkoZn222OwvCOyu4yN17/Bn9VjzbINmVxARSK+ZbBe+go4DQ==
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

2026-09-17T11:34:51.015049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031735
observed 0b174090ce3dc35b671471d15fb25434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.999528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031735/manifest.json
observed 3cda2eed7088c9c69aa4ccccd3ffac05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.984112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031735/publication.md
observed 31dc4540847a5a577715bad7984fd425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.966206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031735/publication.txt
observed cecaa8b8b06e32c4a2755053faacc014...
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.