OpenTechnical

OT-2026-000077605

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000077605) never changes.

Identity and time

Publication numberOT-2026-000077605 · never reused
Internal UUID01a0ae95-2ece-7abd-a6a1-1dbb89ddb405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077605
StatusPUBLIC

Content hashes

Canonical textb1c784da32cb20b7c4c5905d8223e247a3a6b165eafa962fd3fde600a15a9a6c
Markdown8f16b3525d493d85068f3fdfb6435a76c506ee84a731c53699e1e52850b031b2
PDF
Publication page7600f57c1315d1377ac421e0799f882cda080e3ff6f89a0bec10a2ef242207ee
Manifest0988de10d91982089ef8ba2cb25e94252ccb5e33c6c785a62705000c639a7356

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
SignatureGM4IbTGVImgCI+5kwxYtQrzanedICD5ouDkCK7CurW9z+dQ0VqeMHFfNS74+XlihZiqGwvLZYbRZLdlD+annCg==
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

2026-09-17T10:07:09.909653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077605
observed 7600f57c1315d1377ac421e0799f882c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.890918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077605/manifest.json
observed 0988de10d91982089ef8ba2cb25e9425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.872132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077605/publication.md
observed 8f16b3525d493d85068f3fdfb6435a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.850190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077605/publication.txt
observed b1c784da32cb20b7c4c5905d8223e247...
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.