OpenTechnical

OT-2026-000050517

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000050517) never changes.

Identity and time

Publication numberOT-2026-000050517 · never reused
Internal UUID01a0ae82-5c49-7754-ade2-9b02c71875fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050517
StatusPUBLIC

Content hashes

Canonical textf0e8bf96f0cc863394cd6375e70fc858c8243512ec3f8a32bc6ca04bb139b33e
Markdown5b00bb8e14f107e429776d606111d2b5c6ae590f309739f023a23e869f06cb08
PDF
Publication pagefab7daa295afb1e9178733c73f5f83ce84708c5d5900b583c852f3f2917bc5e3
Manifest0838db5b27ff2c0d20df560554dfe64bde681a9097a01e4bfc2f3cfe90f69d6e

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
SignaturekWw13W29jkRj7v17EmPq0SHNBzSHpMC4dZtt0s/ntpdss0r1g9HJaSyWlV7fAgvwGH16VZmBhLexwGvewwdNBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:34.758886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050517
observed fab7daa295afb1e9178733c73f5f83ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.742078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050517/manifest.json
observed 0838db5b27ff2c0d20df560554dfe64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.725828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050517/publication.md
observed 5b00bb8e14f107e429776d606111d2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.710167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050517/publication.txt
observed f0e8bf96f0cc863394cd6375e70fc858...
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.