OpenTechnical

OT-2026-000091981

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091981) never changes.

Identity and time

Publication numberOT-2026-000091981 · never reused
Internal UUID01a0ae9d-43bb-714f-bb08-de46acea4033 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091981
StatusPUBLIC

Content hashes

Canonical textbd60ff51c4e9fbcd16a30fc81eb46c68274741b09e140f050ec9feb11f84e050
Markdown6588cc12e8baf32707ab58aba0f627d394ed34c2a017d821c1193adcdf00536a
PDF
Publication page233dd36eb9d8757410d814f5069a744cfbe2f2f969df3a5a259c71fefc2a8237
Manifest46ccb60528e57e299ce7c5888b4cb7d64fc42accbb0b00324885560563589a8d

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
SignatureuIiDnQ8H7fabGrdyPIClUIup0OeBM3HMH3FuqFKV5hE3gM5ERqTHI1kCN06sxXeY1Fd5Uye1J0FD59M2Z67XCA==
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

2026-09-17T09:42:57.532146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091981
observed 233dd36eb9d8757410d814f5069a744c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:57.502969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091981/manifest.json
observed 46ccb60528e57e299ce7c5888b4cb7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:57.460618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091981/publication.md
observed 6588cc12e8baf32707ab58aba0f627d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:57.428551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091981/publication.txt
observed bd60ff51c4e9fbcd16a30fc81eb46c68...
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.