OpenTechnical

OT-2026-000078094

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000078094) never changes.

Identity and time

Publication numberOT-2026-000078094 · never reused
Internal UUID01a0ae95-6e8c-714e-b6c2-51a14b79650e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078094
StatusPUBLIC

Content hashes

Canonical text3dc1ab61e05c1ec262217af5331d3834e75888db8aef791cfeb019a60aea8b5a
Markdown91a8098dacd6ca9c583a72ebbb77901bb0fc18a2d8ab4a432ed040c8cb9ed7c4
PDF
Publication page37a05bd537ca154030ff2498e82ff81575d44c02c0f60845451f916049bade5b
Manifestd7c0900384a884c75ce7cf9bc9cda0d9fbc006a14fcb0fabd8ce84fcc26a0f9b

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
SignatureKlwMVo2zZn3LovRda7eYqdS4bDA3UbA2kFsEH5mb1vMvjd6GDSkFeXB0V8AwUIgY1oLgG7JxV/6u26GJ03SlDw==
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

2026-09-17T10:06:48.183397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078094
observed 37a05bd537ca154030ff2498e82ff815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.164805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078094/manifest.json
observed d7c0900384a884c75ce7cf9bc9cda0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.145042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078094/publication.md
observed 91a8098dacd6ca9c583a72ebbb77901b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.127814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078094/publication.txt
observed 3dc1ab61e05c1ec262217af5331d3834...
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.