OpenTechnical

OT-2026-000084285

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000084285) never changes.

Identity and time

Publication numberOT-2026-000084285 · never reused
Internal UUID01a0ae98-5b61-7283-a7ee-7b5ceaa137a1 · 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-2026-000084285
StatusPUBLIC

Content hashes

Canonical text31cc53fa8484fb31cc62348502f89683cad2db9148384a20709438837fd08e7d
Markdown1449b7a25be8f1f65c44ec89209caad070669e4ffa1e98ce030b80a634acd084
PDF
Publication pagee41f560d8dd3e5b7dac780cd4d0e79dfa36a7df6a1ccfd5973fc6f926094cb6c
Manifestfb8ef0473897e8c0106c0db328fb218d1368e0c4993fb15cbee3b1c930a55365

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
SignaturetJkqiHOy2prsEphZ9w0rZbAosE94i6Ux3T8fwOQAkB6PN8GT9qfNBZwhiy42gwn8fvV9XGkSwE/5UUFdZqlpCg==
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

2026-09-17T09:56:12.319533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084285
observed e41f560d8dd3e5b7dac780cd4d0e79df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.301895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084285/manifest.json
observed fb8ef0473897e8c0106c0db328fb218d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.282819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084285/publication.md
observed 1449b7a25be8f1f65c44ec89209caad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.264978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084285/publication.txt
observed 31cc53fa8484fb31cc62348502f89683...
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.