OpenTechnical

OT-2026-000033389

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000033389) never changes.

Identity and time

Publication numberOT-2026-000033389 · never reused
Internal UUID01a0ae75-8980-77e2-a820-3df867111131 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033389
StatusPUBLIC

Content hashes

Canonical texte119ab07ee66a7a0fe6789554c94b4a4272cc66c1d4c12f57b603de99bbf1a85
Markdownd50ec6a61ef7d328b34185d7a9f0e04503f779811c42071211f885735a50197f
PDF
Publication pagedcf300281abc6257e8eae9a8cce66903a646ef35b29fd27fe28924dc4efca58e
Manifest2e2ae192ad0d18c387c4ab772c93313beff35956a9bf2978652f85d816d53ef9

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
SignatureKttAlZwODNw6xwZ6FVwfWxCvTqIoAHBc1tEi6z/bI7VG6xoLVR1osEIQLulKxW5TA1nB3KwUPELqh3ATV6GMAg==
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

2026-09-17T11:32:09.909105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033389
observed dcf300281abc6257e8eae9a8cce66903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.889943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033389/manifest.json
observed 2e2ae192ad0d18c387c4ab772c93313b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.871801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033389/publication.md
observed d50ec6a61ef7d328b34185d7a9f0e045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.854631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033389/publication.txt
observed e119ab07ee66a7a0fe6789554c94b4a4...
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.