OpenTechnical

OT-2026-000066920

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000066920) never changes.

Identity and time

Publication numberOT-2026-000066920 · never reused
Internal UUID01a0ae8f-14fd-7a41-a1a2-60b9383bb21f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066920
StatusPUBLIC

Content hashes

Canonical text98edca6f1cc43e1ec923ea5a3f388b8ff95f3970abf9f1cc58e3ac408f362ff7
Markdown9bbdeea0cc8b566fdf86d0486019e1f761de1bcb146e9d9fd99d9022e30ba178
PDF
Publication page2cff7207bd0b6066cb993ec84110e974748c58508e878e879a8746a41f1fef68
Manifestb0c4f017af234b2a8172b80f9ec175c50709dadd6e64b2c4a7691d448c9d81e5

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
SignatureQlt1mPCLk0Dw2Pj+HtlpMrsLQovvRGnOqrtFkXwKKqtI7fjIAouaUYeO9J7STBXHBeURhpbvU81lV7YVr+/LDA==
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

2026-09-17T10:32:07.672331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066920
observed 2cff7207bd0b6066cb993ec84110e974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.655323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066920/manifest.json
observed b0c4f017af234b2a8172b80f9ec175c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.639052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066920/publication.md
observed 9bbdeea0cc8b566fdf86d0486019e1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.620913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066920/publication.txt
observed 98edca6f1cc43e1ec923ea5a3f388b8f...
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.