OpenTechnical

OT-2026-000087806

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000087806) never changes.

Identity and time

Publication numberOT-2026-000087806 · never reused
Internal UUID01a0ae9b-1aa4-77a2-81a6-f5d60492eeef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087806
StatusPUBLIC

Content hashes

Canonical textcf09c73d94315071ebb56547e36203d89a83a8d4a8e192f11b4c47f361f42d1d
Markdown5098643d6777a5662a3f3c66170ef36b8e8e7633951c59dff96bfc55846e02da
PDF
Publication page622ccf4bdfe5607ed858e89f324f37ff2417e3c173db893cc2773c2f6abaab07
Manifest5dbf30450b6431910f12c48bc6373476553fd7d5482db88744a9839d74ba3e21

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
SignatureVOPY+pEgQd3mzeWEWalSxPYdjpsWFLwKG9MCOPtrvS/6PsPyS2GGYiZlgiGSMeURpVP2OBjM/1oObSRi5AnWCg==
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

2026-09-17T09:49:00.558175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087806
observed 622ccf4bdfe5607ed858e89f324f37ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.540879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087806/manifest.json
observed 5dbf30450b6431910f12c48bc6373476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.523078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087806/publication.md
observed 5098643d6777a5662a3f3c66170ef36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.506908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087806/publication.txt
observed cf09c73d94315071ebb56547e36203d8...
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.