OpenTechnical

OT-2026-000077775

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three 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-2026-000077775) never changes.

Identity and time

Publication numberOT-2026-000077775 · never reused
Internal UUID01a0ae95-2ed0-7e04-8a08-0f600606d370 · 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-2026-000077775
StatusPUBLIC

Content hashes

Canonical textd20a135e978fd1906525de4cff2f53fd9bbc354f3b4c004da0c169642070b72c
Markdown2b8623359d1524eeeea1506df928493d197217da07a53f5fa0bd216dad8a7e49
PDF
Publication page798d26c319c39b17a8feea4254f8df29e2cc9ebdcf0f9de4e45e0ffee9636f79
Manifest1c087324abf9e127e40e04d68e9d5d744d2c79391e0fdbe33a9811674f62df6a

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
SignatureAzJT5m963rUVXpQ728G7oCiF2bcDoRpUwppj34uAZBUKolJQTUaNm475y5OHbKkJ9kpIPqPrnZOGuYVAyhOJDg==
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

2026-09-17T10:07:21.680898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077775
observed 798d26c319c39b17a8feea4254f8df29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.664117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077775/manifest.json
observed 1c087324abf9e127e40e04d68e9d5d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.645285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077775/publication.md
observed 2b8623359d1524eeeea1506df928493d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.626503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077775/publication.txt
observed d20a135e978fd1906525de4cff2f53fd...
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.