OpenTechnical

OT-2026-000016459

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000016459) never changes.

Identity and time

Publication numberOT-2026-000016459 · never reused
Internal UUID01a0ae6e-2d13-7390-b362-4911e859f06d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016459
StatusPUBLIC

Content hashes

Canonical textf994eba61a8598aa98fe815a74f7f1ff22507dcf2ab168090f771efdacd5c05e
Markdown303de081843c33da41805836985f386a26b1ddf0cdaf2db65b679611cf1270e3
PDF
Publication page583ae57ff4933bcff778aafadc9b01682c22a5dd24c61131fe8be3e6518097a9
Manifest3f5d8b73a81cdc24ba46ea01d84226f04ee8f393f505e619174af369ea9f9665

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
Signature4worjBmudEimZnlpjwsp6jSkL7PWR2uFPXveUBaY7roVIPDK/J3Zo02aAWwFpsKs96+UVJJNTOXTKvuEePn9CA==
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

2026-09-17T12:04:39.328993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016459
observed 583ae57ff4933bcff778aafadc9b0168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.311499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016459/manifest.json
observed 3f5d8b73a81cdc24ba46ea01d84226f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.287778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016459/publication.md
observed 303de081843c33da41805836985f386a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.270174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016459/publication.txt
observed f994eba61a8598aa98fe815a74f7f1ff...
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.