OpenTechnical

OT-2026-000088925

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000088925) never changes.

Identity and time

Publication numberOT-2026-000088925 · never reused
Internal UUID01a0ae9b-8f11-7a35-ad72-1a4fc68fd348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088925
StatusPUBLIC

Content hashes

Canonical text48cefbf0bf78d5ef4e70afb401ab17f318b43838561d9f0de7b79db903ec92a8
Markdownde013dbf2c5afa32c19fda741747c24644ab0640eb9f3e65998a5748c01d2d52
PDF
Publication page3aeed5f744d8b1626fc0fced7c6d504bf7232fdc71560d017cd7a3e6dbbc18bb
Manifest05cd7cb83e5afcf5e680189e794cb10b1386682ea35d30fb5dac334753b392e4

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
SignatureMqBbekTymAI9jz1ZMttbmA8nobhmb71T1os9n8/VTgA8WIwrnUFJk+3fJcyB7QMz0XH9W/ATdaS4UYA3RVFuCg==
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

2026-09-17T09:48:07.800807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088925
observed 3aeed5f744d8b1626fc0fced7c6d504b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:07.780755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088925/manifest.json
observed 05cd7cb83e5afcf5e680189e794cb10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:07.638026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088925/publication.md
observed de013dbf2c5afa32c19fda741747c246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:01.043534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088925/publication.txt
observed 48cefbf0bf78d5ef4e70afb401ab17f3...
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.