OpenTechnical

OT-2026-000069720

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000069720) never changes.

Identity and time

Publication numberOT-2026-000069720 · never reused
Internal UUID01a0ae91-185e-7c2a-9018-53b0fb08257c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069720
StatusPUBLIC

Content hashes

Canonical textc905b5f1aec8ac9ee02e72f129fe3e462e4a34c4c9e9d1081615abdb31cf0fb4
Markdown6ba81cbd0bb55e11e893373802996cfbaf33c6f8cfaf8db626f8d0293afb5d92
PDF
Publication page8e91617b84db64e735f47ec2ccb63a5041a0c5d860852fc29d3ed1f04e72bf68
Manifestea316cbf0b09d5f2eae5224a6b32246014aa71139e430b6fbd5170656ceb1e21

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
Signature6bHRDHbN5YYUJ7Ir4tjrDFh2mPItWMaAeRXiJ0zAcJxI+ii3yQLnAwBw3EKZAAlo0VcFtQtJdjBRoXDl887FCA==
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

2026-09-17T10:26:31.697713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069720
observed 8e91617b84db64e735f47ec2ccb63a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.680308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069720/manifest.json
observed ea316cbf0b09d5f2eae5224a6b322460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.636571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069720/publication.md
observed 6ba81cbd0bb55e11e893373802996cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.560281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069720/publication.txt
observed c905b5f1aec8ac9ee02e72f129fe3e46...
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.