OpenTechnical

OT-2026-000104499

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000104499) never changes.

Identity and time

Publication numberOT-2026-000104499 · never reused
Internal UUID01a0aea5-3422-7153-a40e-be5a2576e023 · 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-2026-000104499
StatusPUBLIC

Content hashes

Canonical text4f756c7573e96aa79c6152152e12f5b3d7cdeab5d019dbebd872c11d79bba50e
Markdown2c2de59fd1fdfe9c898e0d1cd125ca0469b3a4d770d6dbbb774a6e7d442090b3
PDF
Publication page17206a689963db01eeed53eefd74af6557e312167e5765f1e1f0627b9f8129aa
Manifesta8eb950920d5150514e23f67377723a6029b9aac5a95b813221dbbfab6f40c8a

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
SignaturePAz8MdoHBNHJsRkOiAuI8C7tIpfba55J7ABmYfUn3Tyg7/NiJDeW3vCXZf//Pnb1mCflaQXFXYYAyNXaK/1RAA==
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

2026-09-17T09:20:04.654698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104499
observed 17206a689963db01eeed53eefd74af65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.638136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104499/manifest.json
observed a8eb950920d5150514e23f67377723a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.622896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104499/publication.md
observed 2c2de59fd1fdfe9c898e0d1cd125ca04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.607226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104499/publication.txt
observed 4f756c7573e96aa79c6152152e12f5b3...
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.