OpenTechnical

OT-2026-000073598

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000073598) never changes.

Identity and time

Publication numberOT-2026-000073598 · never reused
Internal UUID01a0ae92-efb9-7010-84ef-2b93bd892c2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073598
StatusPUBLIC

Content hashes

Canonical text2aedb618235cbdf2c63eb6b7f85b908ffb78eb91be540cac5d6a225cac40a700
Markdown87df50f18d98062d6b189035b7f79aa9fe76098efa6a83941ee982a31bda6a9b
PDF
Publication page2c1e68acb1a1747bd8dce99b7822130fa6ad3e9a7048c43fbda0c3c614909999
Manifestf2be71b23e243d0badbc100d98539ee0e7ef7331108acad9808f116d4d49c4ef

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
SignatureygZJzXjHv0QAzfadDwqGjQo73t/sbsXBS9WZZU/eRfADGqn5BBuXVwqoqkxa9/oK5zGhR3mYoR/eXSycWr/vCg==
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

2026-09-17T10:21:46.796441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073598
observed 2c1e68acb1a1747bd8dce99b7822130f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.779483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073598/manifest.json
observed f2be71b23e243d0badbc100d98539ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.761621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073598/publication.md
observed 87df50f18d98062d6b189035b7f79aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.743518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073598/publication.txt
observed 2aedb618235cbdf2c63eb6b7f85b908f...
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.