OpenTechnical

OT-2026-000079527

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000079527) never changes.

Identity and time

Publication numberOT-2026-000079527 · never reused
Internal UUID01a0ae96-0b91-7010-b118-f85e5a655629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079527
StatusPUBLIC

Content hashes

Canonical text2fbb31d8dd050454bf61d557216b1c7cec37a0c6d6e6f4a90e6592f038a9aea5
Markdown143fa383582e51809643479e21cc60403c61eaf333fc2669704b3b9765f142bc
PDF
Publication page4218bff7dc3f0c8fc60ddb3ab03884229b9f1466e365095cf439d375cc4bb34a
Manifest978928dcedb3d0c646f70cf1f4e180678ae35bf45fd4f474f988449357854d3e

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
SignatureYflPt1I/11RpmTf96V+j/TwaYZjqCK/4e/fGVy8rkDqUx7dODIgsPfLJ0Y0qVzyRsRFKgaIA6MsDM6xFsmfYCA==
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

2026-09-17T10:05:10.344136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079527
observed 4218bff7dc3f0c8fc60ddb3ab0388422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.325158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079527/manifest.json
observed 978928dcedb3d0c646f70cf1f4e18067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.306080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079527/publication.md
observed 143fa383582e51809643479e21cc6040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.287434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079527/publication.txt
observed 2fbb31d8dd050454bf61d557216b1c7c...
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.