OpenTechnical

OT-2026-000081777

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000081777) never changes.

Identity and time

Publication numberOT-2026-000081777 · never reused
Internal UUID01a0ae97-0f74-7ccc-9b6a-c776a00cd3c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081777
StatusPUBLIC

Content hashes

Canonical text97056885f2539605551ab5134b2c61907bf64684e5b37879002fe5de33cbd356
Markdown88a8d6103e6b20695ba16229c3099205ef2eda3d23b634fd68db1b7fba5ddcff
PDF
Publication page09efeddfa6c1cb8ec580bc08594fb3f14cfa5af214aefe46556270ce101496bf
Manifeste4891a5cafbb24e0eb44b80ad9688d3b7daabf745d39c8fc9cc1cb0ad6480553

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
SignatureLIBH/1e4YSXlMkrkgNz3XY05U+JJ1kZaZuwXkG4QEn5jtToGR7i+3QAXWX01KM4Nx7TEBgnQeFemqxYkNgWfCA==
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

2026-09-17T09:59:52.303535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081777
observed 09efeddfa6c1cb8ec580bc08594fb3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.285589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081777/manifest.json
observed e4891a5cafbb24e0eb44b80ad9688d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.267886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081777/publication.md
observed 88a8d6103e6b20695ba16229c3099205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.250461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081777/publication.txt
observed 97056885f2539605551ab5134b2c6190...
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.