OpenTechnical

OT-2026-000097581

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000097581) never changes.

Identity and time

Publication numberOT-2026-000097581 · never reused
Internal UUID01a0aea1-92f1-7e14-a85a-640d794c9166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097581
StatusPUBLIC

Content hashes

Canonical text040c913c1ef3941a29243a951ce924857d429ba87e62de3c6a1faf353afdabfa
Markdownd985b38b053d4f946ae85f78bcf5339c0628cd2e75845ba360a01c29344089c7
PDF
Publication page1a28109f0fe07028255f7ac8c1bf849698fe962705f5d43cfb3e1d6f88377ec7
Manifest31a610f0e1e86efc90c5e3a2d08efdd1acb65f95a7103351e02e06d149cd8ba6

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
Signature0NwV8KT90x4jlN3x4EiHsJ3lE86M5Ut8mfr7GDAaiYNhv90Y10e23s/PlFHjR7YbSLgypeaCgvzNfBCOMw9JBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:29.748858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097581
observed 1a28109f0fe07028255f7ac8c1bf8496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.730912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097581/manifest.json
observed 31a610f0e1e86efc90c5e3a2d08efdd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.713258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097581/publication.md
observed d985b38b053d4f946ae85f78bcf5339c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.694924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097581/publication.txt
observed 040c913c1ef3941a29243a951ce92485...
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.