OpenTechnical

OT-2026-000062691

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000062691) never changes.

Identity and time

Publication numberOT-2026-000062691 · never reused
Internal UUID01a0ae8c-6388-7b71-ae5f-a8a820169a6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062691
StatusPUBLIC

Content hashes

Canonical text7b2c1f2d2b24294427783b856f699eb271053bb92cdf825f52738586441c1dbc
Markdown7e5a6ea9563e482443e124ce10da53c767faa1f69783d20e7828fa5a9a387efd
PDF
Publication pageefee74f51d78d7d7344a7b5c3afbbff9c112bea54104877a878e4babb8756cc2
Manifest6de2015604631eb28a400da399b4ffad1d7ea7637ce8416be9e9978a8703e8be

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
Signaturek3gbs/mPvd4XejDiQ1BHRYwdIL+dXIzS30RRspO7+8h9njFbpUL3AXyl6yS/nnT1/QA3wzbdDrKNFOfX6qEGAw==
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

2026-09-17T10:39:15.097939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062691
observed efee74f51d78d7d7344a7b5c3afbbff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.079664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062691/manifest.json
observed 6de2015604631eb28a400da399b4ffad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.062104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062691/publication.md
observed 7e5a6ea9563e482443e124ce10da53c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.044127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062691/publication.txt
observed 7b2c1f2d2b24294427783b856f699eb2...
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.