OpenTechnical

OT-2026-000007617

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000007617) never changes.

Identity and time

Publication numberOT-2026-000007617 · never reused
Internal UUID01a0ae62-76bc-7a35-aa91-f9aa219626b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007617
StatusPUBLIC

Content hashes

Canonical text913dca8ab995608670ad52dc65d5afec7df496bd6fad099c993956b37e8969c1
Markdownf8574d5bc3d2894a101fd6294bc9dd25835947967c434fad841c1861ad75e20a
PDF
Publication pageb0bfa5b00f6fbdf4a360cd61df35b8dddcdf3891f77e2760e97db139385374e3
Manifest80dd91a743ad924485b0d693678485e97effb3e9be5079ad397d5aafedd7f17e

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
Signatureb3aXKjBarURTR6ahA+o8FkOMg1Mq/6+Z5aJ5aKa36fdGUpV4FAHFnqGp5MRPt3vyigGPBt0OkIjN8Lsgl+0qDg==
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

2026-09-17T08:10:13.908259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007617
observed b0bfa5b00f6fbdf4a360cd61df35b8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.889095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007617/manifest.json
observed 80dd91a743ad924485b0d693678485e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.871170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007617/publication.md
observed f8574d5bc3d2894a101fd6294bc9dd25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.852586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007617/publication.txt
observed 913dca8ab995608670ad52dc65d5afec...
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.