OpenTechnical

OT-2026-000092321

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000092321) never changes.

Identity and time

Publication numberOT-2026-000092321 · never reused
Internal UUID01a0ae9d-875b-76b4-9601-e8e70309e277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092321
StatusPUBLIC

Content hashes

Canonical textf317053e9dad7d292c281a5494b7244bb282a69d46c64b9df9ab213f62cce3c9
Markdownee0f8e332b234f0c5a3d652e48478472793ff78ac1b705a7cc81c83d65f58e1f
PDF
Publication pageb34abef26812b94b667f6964cc33cc81202720388c9a726db9ba461adc69451b
Manifesta4cd21325b3636e786a29fc863e97bd76cac91d6b0f8a896d90379b1e907c3a3

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
Signatureq9NHa9Gp4IwJDQhiyHppNFt8+P60akrJWLEUvVgCe5Aexzjnp3kz4SbmrAa9U1pe5+2oy6/dr9/fxpO6DhSXCQ==
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

2026-09-17T09:41:51.929338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092321
observed b34abef26812b94b667f6964cc33cc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:51.912340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092321/manifest.json
observed a4cd21325b3636e786a29fc863e97bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:51.896983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092321/publication.md
observed ee0f8e332b234f0c5a3d652e48478472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:51.880171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092321/publication.txt
observed f317053e9dad7d292c281a5494b7244b...
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.