OpenTechnical

OT-2026-000072953

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line 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-2026-000072953) never changes.

Identity and time

Publication numberOT-2026-000072953 · never reused
Internal UUID01a0ae92-c815-7df0-9416-70bf3105e9e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072953
StatusPUBLIC

Content hashes

Canonical text6cdddf8d146d3791f9d451999506a9ef1e23e13c0fb9ccc8304ec3b708fb63a4
Markdownbfae81124f42dc45f798e7a724457bbf3bb2c2834444f704449e5e8b1fafa6b0
PDF
Publication paged8c416d2734a91e95a1372468493d15bdad65cf67ca306f22c1772e6eead3488
Manifest60b837e4ef352d6db9081993fbc9c40451b20b986aca857bc6e6e67a3073beec

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
SignatureZkfSYJxg3cBsRq3WKLnZV6BxIBn0/VIt1gY42qRTXF4AywG76oNzawMiTKMasadAt18ntwDVrFoUF3J2sVJ9Ag==
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

2026-09-17T10:21:47.691785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072953
observed d8c416d2734a91e95a1372468493d15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.673799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072953/manifest.json
observed 60b837e4ef352d6db9081993fbc9c404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.654308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072953/publication.md
observed bfae81124f42dc45f798e7a724457bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.539073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072953/publication.txt
observed 6cdddf8d146d3791f9d451999506a9ef...
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.