OpenTechnical

OT-2026-000069476

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069476) never changes.

Identity and time

Publication numberOT-2026-000069476 · never reused
Internal UUID01a0ae90-b52a-7c06-b527-df4a596cfea0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069476
StatusPUBLIC

Content hashes

Canonical text56b381e81b19e7fc35b51f4ed96f98e2914ce0c8e57d425800d7887704b1a7a8
Markdown21d603b2b83f1bec63c9bab30a4e32453526bb7ca253dad0d4df3f318fcd0a8c
PDF
Publication page5ea2b511746c291e6f3ff93187c907a3d36c5bbe45b69d063a01b01b1afecf8b
Manifestce74ec78c4c7a2939e7ccb11ae3956c8ba0142478b56bb1a66d12828e186c983

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
Signaturemr+30jdywnwyZkjiDExXk3nUTjiVUGu+C1Ppjl2oUYNAhtbGiRUITkcGWMI/HD77WMC5tyQ17t+Hogzcc9QZDQ==
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

2026-09-17T10:30:33.193434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069476
observed 5ea2b511746c291e6f3ff93187c907a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.176807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069476/manifest.json
observed ce74ec78c4c7a2939e7ccb11ae3956c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.160895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069476/publication.md
observed 21d603b2b83f1bec63c9bab30a4e3245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.143544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069476/publication.txt
observed 56b381e81b19e7fc35b51f4ed96f98e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.928961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069476
observed 5ea2b511746c291e6f3ff93187c907a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.910635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069476/manifest.json
observed ce74ec78c4c7a2939e7ccb11ae3956c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.892520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069476/publication.md
observed 21d603b2b83f1bec63c9bab30a4e3245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.875081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069476/publication.txt
observed 56b381e81b19e7fc35b51f4ed96f98e2...
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.