OpenTechnical

OT-2026-000104145

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000104145) never changes.

Identity and time

Publication numberOT-2026-000104145 · never reused
Internal UUID01a0aea5-341f-7276-91a1-097bed2a4ab7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104145
StatusPUBLIC

Content hashes

Canonical text5bef381df4e549ed7eedc5ad7a7af5a357ee3c1eda256e76ad3e3fe6b112be62
Markdown7fc624c515143f2444833b7247d16912c9607c6f1242d2985e6e6c466edae13a
PDF
Publication page5f0802df9e059e1fe5b14289459b438ee76548532df6e6eba70df6ba900a27a1
Manifest63bc80b9be183306595ee9c9886fcc3cd439ee52cc2ed3c826f7a8098dcf9bbc

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
Signature57Z26NvvkriTCSW33NwdBbMQOa7b4SGszicLed/ePzyNAc0lX+enYSF3QShe43Ufo20WdeAnfgwVpqpioBK4CQ==
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

2026-09-17T09:20:13.810984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104145
observed 5f0802df9e059e1fe5b14289459b438e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.791135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104145/manifest.json
observed 63bc80b9be183306595ee9c9886fcc3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.771160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104145/publication.md
observed 7fc624c515143f2444833b7247d16912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.752431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104145/publication.txt
observed 5bef381df4e549ed7eedc5ad7a7af5a3...
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.