OpenTechnical

OT-2026-000013040

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000013040) never changes.

Identity and time

Publication numberOT-2026-000013040 · never reused
Internal UUID01a0ae6d-5564-75d6-897b-bc27c6c59e3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013040
StatusPUBLIC

Content hashes

Canonical textbbb9f064cd629967ee95e2421b3e91c96714bb536fa8e0f5474a53807ea1ec87
Markdown5a821a9fba6dd0c21f2428c9e8d4febbc065594f6e83793738909fb097caaee3
PDF
Publication page22f0694d45ac21f143d4b2ac0572832aa1ce6f53e7780a461ff6cb7e5aaa00bd
Manifest452ffc02d4de2607fe1780dc41314230fe43c7d89dd217459459796fbc6e60c6

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
SignaturekIJKYE3ohtPZndr0uJCPDWlsvHR+AyukFxgWDYtlT6P5u/8HDLepMz4b4LpvwC4rLRYN00Oa8FbnX+nWrNTbAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:10:52.288062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013040
observed 22f0694d45ac21f143d4b2ac0572832a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.268749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013040/manifest.json
observed 452ffc02d4de2607fe1780dc41314230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.250383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013040/publication.md
observed 5a821a9fba6dd0c21f2428c9e8d4febb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.231162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013040/publication.txt
observed bbb9f064cd629967ee95e2421b3e91c9...
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.