OpenTechnical

OT-2026-000042248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000042248) never changes.

Identity and time

Publication numberOT-2026-000042248 · never reused
Internal UUID01a0ae7a-5d72-79f6-b41f-739bf2e007d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042248
StatusPUBLIC

Content hashes

Canonical text0cf810b8021971c8661350cd3a8cf405c80adcfdde555d175a2e386ef5228fd1
Markdownd11acdd8c57f0410c6cd74c2bd5c5d684eeefe414942f95e0bda51eacda1e75e
PDF
Publication page995599b95df15870d46356f438446f2f44131d3624c26bd85daecfcecd6d14d7
Manifest642eb3eb182d2ad9b6ccf455851e86342adf8cb18e1e5a5975ffeb5ae6106fb1

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
SignatureFQXEom88v042wP+9d9ZDKicLIzYxPVrbeU97EQ2/ihS1GUw4V6JLGMfGXO71coYHojph5z97kRZJUHxLh4BFAA==
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

2026-09-17T11:15:55.836996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042248
observed 995599b95df15870d46356f438446f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.816856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042248/manifest.json
observed 642eb3eb182d2ad9b6ccf455851e8634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.796869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042248/publication.md
observed d11acdd8c57f0410c6cd74c2bd5c5d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.775799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042248/publication.txt
observed 0cf810b8021971c8661350cd3a8cf405...
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.