OpenTechnical

OT-2026-000069709

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069709) never changes.

Identity and time

Publication numberOT-2026-000069709 · never reused
Internal UUID01a0ae90-b52c-7c2d-8524-53ae4f29c62f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069709
StatusPUBLIC

Content hashes

Canonical textb95c898dfb0fd2d9413280c6b409fea6f2dc586621c66def20262f8755ce3c9b
Markdownea0ff5c7c4a2d30da759f79396110a4c7c485bc6b2b73863059fcce02f9a9489
PDF
Publication pageea68c44b0e0cefbf6d04941e8f26fff72c490efce103d1adac575812c098883c
Manifestbb5e5f707ed5d4a88ead97f4a437ac3154267ec40c9268a9a79c2911aa3bc457

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
SignatureYw0KlJcDej5GFH29IG3hZfoQPj25gZuw85OJaqcd282+gIWiYYyjzheGxO++LSfP+q5hsT14fbBdu/cr+2FeDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:28.621328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069709
observed ea68c44b0e0cefbf6d04941e8f26fff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.603380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069709/manifest.json
observed bb5e5f707ed5d4a88ead97f4a437ac31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.584323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069709/publication.md
observed ea0ff5c7c4a2d30da759f79396110a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.565585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069709/publication.txt
observed b95c898dfb0fd2d9413280c6b409fea6...
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.