OpenTechnical

OT-2026-000084045

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000084045) never changes.

Identity and time

Publication numberOT-2026-000084045 · never reused
Internal UUID01a0ae98-5b5e-7716-aa0a-4b3715fe5261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084045
StatusPUBLIC

Content hashes

Canonical textde1255170cda07d68d21bc47b6c42a7413d2c538ee59428da6905d10eb995b84
Markdownf77dc62e7a4a6b9d84a314150870bd2ebf23bfd0b27320d6599e7adb7bca50ce
PDF
Publication pagec9ef5c4cf474e7eb653e8492abc2cbbbe89eaf5debcebe5636234b85ee28b196
Manifest1d02a9e3ee36ac602d9f2f4e7a335b7fab19a65a1fe942244cbfc8a605381a57

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
SignatureLb7FIDUA7e6rsMZeahynwamG09XGk5Ocgwh1xaKHZHQyrXZyuD0YMerGDgnYGajzIe3bRPRwHJ2mnsEpH0CYDA==
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

2026-09-17T09:55:46.554401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084045
observed c9ef5c4cf474e7eb653e8492abc2cbbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.537449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084045/manifest.json
observed 1d02a9e3ee36ac602d9f2f4e7a335b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.521709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084045/publication.md
observed f77dc62e7a4a6b9d84a314150870bd2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.504678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084045/publication.txt
observed de1255170cda07d68d21bc47b6c42a74...
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.