OpenTechnical

OT-2026-000073034

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000073034) never changes.

Identity and time

Publication numberOT-2026-000073034 · never reused
Internal UUID01a0ae92-c816-7aa2-9e45-d1ff0e8b8827 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073034
StatusPUBLIC

Content hashes

Canonical text4c9d9efbd3fd6896923e58bb8ebfbc8609bd1adf6342e790cbd18d1eca2c6e24
Markdown53754696d9dc3aaccab7800140fd34771f4e7087efad56994ad9432202413333
PDF
Publication pageb2b816ddb2313c7c803c7776da513cf5ad67d8a209bf3c267b5a51e9898471bf
Manifestedad3de7322c28265f625b1042fea7ffbc20ad5b614b1dd4c93801fbe6f8e22b

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
SignaturevIdYbnwnjOxCjjP8FKMaxtFZi2kKLeaRRje2tOIGFPsDpKCBY11g8ddZLL0UbgFsNBp5YFfcRAWvL4eTjGthBQ==
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

2026-09-17T10:21:58.523594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073034
observed b2b816ddb2313c7c803c7776da513cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.506889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073034/manifest.json
observed edad3de7322c28265f625b1042fea7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.488993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073034/publication.md
observed 53754696d9dc3aaccab7800140fd3477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.472959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073034/publication.txt
observed 4c9d9efbd3fd6896923e58bb8ebfbc86...
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.