OpenTechnical

OT-2026-000072078

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000072078) never changes.

Identity and time

Publication numberOT-2026-000072078 · never reused
Internal UUID01a0ae92-47c1-7145-a385-2343c4bf7f44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072078
StatusPUBLIC

Content hashes

Canonical textead81f2d6e62c306afd0d36549fb4ab551bf05a3601a7f43e49c0e7e27c09702
Markdownf264c14e484a60492281bd60bd8ddf84e99abb6ca6c4eb58d62c0fc0eb1fa92a
PDF
Publication page66bde2503e403275eec385ce58c5e585420ad24d0b88b4c17bcb038be6f73138
Manifesta38f65272758ff084af6319b2d201f302d5d919f571cd7121347122d606a96a6

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
SignatureEuhHmtmxPn+F8atrT3CI/RY3xLQPgdKrnJLIOpe8VKRmGGm2DYa0N/ijK58z2MsUtxSCy2NarFY+Ih85ypCADQ==
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

2026-09-17T10:23:09.312778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072078
observed 66bde2503e403275eec385ce58c5e585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.293926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072078/manifest.json
observed a38f65272758ff084af6319b2d201f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.274469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072078/publication.md
observed f264c14e484a60492281bd60bd8ddf84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.256420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072078/publication.txt
observed ead81f2d6e62c306afd0d36549fb4ab5...
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.