OpenTechnical

OT-2026-000055398

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000055398) never changes.

Identity and time

Publication numberOT-2026-000055398 · never reused
Internal UUID01a0ae86-a101-79b6-bbb9-2b6fe1228393 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055398
StatusPUBLIC

Content hashes

Canonical text4a0d702ad6cc7ddbc17304d4cc9ee9fb85db29c2f2d50ee2514239938103d1dd
Markdown96569c78ea07adaa6c5953588252f8c5f3f35a86af8b356d8d54b92f61ca36b5
PDF
Publication page61abdf2ee5969ee687ae56ed2943ccd35f38b1087ff3c996e89ab1906752dc8b
Manifest20f6ca49a1574507e7c779f37d1439c1c351e0ea3777599df2a88182acd88d46

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
SignaturetVg3O93cxUKQPdI84B/Yvs2c6w5qjTnFBsczxVokrSUHnVb8XHT8jAF/Cd2xmPpzt4oB00cHDZRysKYdmahtCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:02.282448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055398
observed 61abdf2ee5969ee687ae56ed2943ccd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.263878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055398/manifest.json
observed 20f6ca49a1574507e7c779f37d1439c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.246397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055398/publication.md
observed 96569c78ea07adaa6c5953588252f8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.226244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055398/publication.txt
observed 4a0d702ad6cc7ddbc17304d4cc9ee9fb...
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.