OpenTechnical

OT-2026-000074965

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074965) never changes.

Identity and time

Publication numberOT-2026-000074965 · never reused
Internal UUID01a0ae93-ac2d-77ae-8347-8d794d938441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074965
StatusPUBLIC

Content hashes

Canonical texta8cf669e7b2392b5c40a1b264d0ce194dadf5995d8fe3c0ab106116964a841a7
Markdown5a7b3c7360e09c27757aa3b38394960c87da24a872293d73f02518d9e099d46f
PDF
Publication page9f1b95b14b94a56f5f2490a41646047560e52105ae446976d680cfab3b6bd11b
Manifestccdbae8f2b5f364a67db994ce4698083693d8e329de9365b80c2f25902ba2ed2

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
SignaturektHWYwAwBgZKGOjmueNpSUCFBUjsEN9K6z3xQquw+EEDhWhgpNqBi/ZNAuI+7AIZmUJasSKi3sBpdA1cnwbMDQ==
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

2026-09-17T10:18:45.940032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074965
observed 9f1b95b14b94a56f5f2490a416460475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.924350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074965/manifest.json
observed ccdbae8f2b5f364a67db994ce4698083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.907844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074965/publication.md
observed 5a7b3c7360e09c27757aa3b38394960c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.890826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074965/publication.txt
observed a8cf669e7b2392b5c40a1b264d0ce194...
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.