OpenTechnical

OT-2026-000074209

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074209) never changes.

Identity and time

Publication numberOT-2026-000074209 · never reused
Internal UUID01a0ae93-7178-7764-aaeb-e447cfbb8c46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074209
StatusPUBLIC

Content hashes

Canonical text4de912325e5f004843c29abc5ecd83ec7f1ace219f120eb4c881883439f585a2
Markdown9b4c30b8cddb81811de3cbc1765368c912f6f15660dfbbdfe66dca8dc655d2e7
PDF
Publication pagef8d09e6a62b513cf670bb17d05a5697d08184e7025e3958f326e1ca630686f6f
Manifest85a5648e3c69d5cc683f483df0af94e37039b57212daede666e086a30a66b370

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
SignaturenyZ0lH8tbt4SztAh9bG05KdCaezGjnrNfLgMysKvShFRUgCyC7BtPp+OUlpS1E1UfLDbHOq1EsXYn6roENq+CQ==
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

2026-09-17T10:19:03.997989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074209
observed f8d09e6a62b513cf670bb17d05a5697d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.979694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074209/manifest.json
observed 85a5648e3c69d5cc683f483df0af94e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.962693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074209/publication.md
observed 9b4c30b8cddb81811de3cbc1765368c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.942323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074209/publication.txt
observed 4de912325e5f004843c29abc5ecd83ec...
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.