OpenTechnical

OT-2026-000071879

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000071879) never changes.

Identity and time

Publication numberOT-2026-000071879 · never reused
Internal UUID01a0ae92-1e93-7740-a283-1c3ad8afb8ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071879
StatusPUBLIC

Content hashes

Canonical text5149e023b81dbaa8cd0be3c92cbc2c402be59cd2e523c6b69595b9268b2ad91e
Markdown7e980f442dec7f07879cce2aa0b7819bd10b2a236f7526f9394f04a63b49f255
PDF
Publication page3c609798ac41c26553a3199618155c18a4af7b737cd1f0743ee0d64338edc51c
Manifest38f7b2cc20e12efd68f4b46452f6973c9ec30e305e61f058e58992eabb71a50e

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
SignaturedYvLlGuBk+IuzF2Jh5k41xrx0UnVsDA1jVmcJ5thQrJXAhCQ2sAxYXOo546fSqk3OWbfCCurD7lFI7129EMWBQ==
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

2026-09-17T10:24:34.954739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071879
observed 3c609798ac41c26553a3199618155c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.935519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071879/manifest.json
observed 38f7b2cc20e12efd68f4b46452f6973c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.917695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071879/publication.md
observed 7e980f442dec7f07879cce2aa0b7819b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.899368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071879/publication.txt
observed 5149e023b81dbaa8cd0be3c92cbc2c40...
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.