OpenTechnical

OT-2026-000081690

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000081690) never changes.

Identity and time

Publication numberOT-2026-000081690 · never reused
Internal UUID01a0ae97-0f73-7713-bdc6-a517e40724bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081690
StatusPUBLIC

Content hashes

Canonical text1d02f70a54d0077f0dd0f9ee4e50b430fa8bc0a561dffc550ca46b12fbefd3a7
Markdown4ad36e522682551927552fd63e9f6757bf1531ca8a8d52fab5b1c480b21ccfaf
PDF
Publication page99f8977aca86e83812792c587a41ab8ba870c5a15185ccefa306c767c206d3a8
Manifest6f426e1229c4a27e50c754bddf588f818dfead53e9d7614139771bcf3239e5f5

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
Signaturewk0MDxcG1qgT04UFDUyh/DCccwm2EBhubcy2u4owJzxTHDKWyZkUyNj4MHpE5CDdc7c9AM9C6+aOF8OJwb0VCg==
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

2026-09-17T09:59:45.322745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081690
observed 99f8977aca86e83812792c587a41ab8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.303693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081690/manifest.json
observed 6f426e1229c4a27e50c754bddf588f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.283952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081690/publication.md
observed 4ad36e522682551927552fd63e9f6757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:45.266542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081690/publication.txt
observed 1d02f70a54d0077f0dd0f9ee4e50b430...
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.