OpenTechnical

OT-2026-000007538

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000007538) never changes.

Identity and time

Publication numberOT-2026-000007538 · never reused
Internal UUID01a0ae62-4df6-7359-b7e0-fb2a0641be81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007538
StatusPUBLIC

Content hashes

Canonical text559395dc70f1ca8400678f862fe1f01c19223a8ff1c9874cd2c8db3de581e24c
Markdown3f89caf5c3f37aa4fa0f202182aee8140054bda058aefba541d31918a77808bb
PDF
Publication page999609b81bc047d9e8b8be0b5f8ef70e0f3b11ebfd0fc8f55fb22bed4fa65571
Manifest2ae3885e18b56ad6a6c1aa3482fe23529dbb5cd17134576211e1403e597ed505

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
SignaturepDM1AkM1OmllBrCopD7zeUtwjzeh7kcLdCnYEoa9aVZZu/ImW1qxmimtu4TlM7i8ygRdlrYjFBWkQTJJEM/2BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:22.870773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007538
observed 999609b81bc047d9e8b8be0b5f8ef70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.852353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007538/manifest.json
observed 2ae3885e18b56ad6a6c1aa3482fe2352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.834922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007538/publication.md
observed 3f89caf5c3f37aa4fa0f202182aee814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.815619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007538/publication.txt
observed 559395dc70f1ca8400678f862fe1f01c...
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.