OpenTechnical

OT-2026-000012224

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000012224) never changes.

Identity and time

Publication numberOT-2026-000012224 · never reused
Internal UUID01a0ae6d-39f5-7790-8983-ffdff32f9d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012224
StatusPUBLIC

Content hashes

Canonical textf5abc40ae2f8942d3b3fda7d9c00d54d3ab7c74c90e806b9d7932465a89d129c
Markdown8094e62a806ba26b2ab88fb9d5afc3e9474eaf225915c804b1636f91413c9867
PDF
Publication page6bcdf480c74285daa3ab57447a87344291b01bde0138eaad066479e706de830f
Manifest3ab894bf098d1c707f3b08108e4a34195d09a612d44930ef798781bcac83e9e8

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
SignatureSqY8jE0eGm6e0By1HQR0PKMWKBI4OocZ6uhUaZEeXB/QhRFwjrewIoYBi/e9R5fv+KgMuvkYruQaOK9e4+z1BQ==
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

2026-09-17T12:11:08.607259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012224
observed 6bcdf480c74285daa3ab57447a873442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.589683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012224/manifest.json
observed 3ab894bf098d1c707f3b08108e4a3419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.569192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012224/publication.md
observed 8094e62a806ba26b2ab88fb9d5afc3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:08.549575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012224/publication.txt
observed f5abc40ae2f8942d3b3fda7d9c00d54d...
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.