OpenTechnical

OT-2026-000041204

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000041204) never changes.

Identity and time

Publication numberOT-2026-000041204 · never reused
Internal UUID01a0ae79-b143-7941-8996-40eabbd065c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041204
StatusPUBLIC

Content hashes

Canonical text30b2714082070925f40cd8700b61e12041f98132d14e4f9dd3280d1688cdaf75
Markdown0588c0d3a14945af2d71da4167c849ec27e7bad89bbd24cc646e50ab031a105c
PDF
Publication pageabf9c64d09e738325522f8004a22de7bb70b9f9bbe0553b46d2fefefc531b1c2
Manifesta45a23c8408854bff20ef916c2ffb31cf8a65051e5370ce9863d4e37b1268b7b

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
SignatureI0iVjoPm2YNohfkYfmAf1lmzV+c3vNGPKB0xfSEv5YC17h1ICPNx0/dEk5y+k2MXh9azHf8nhy7Y/Ly9HfPGBg==
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

2026-09-17T11:17:09.684142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041204
observed abf9c64d09e738325522f8004a22de7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.667407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041204/manifest.json
observed a45a23c8408854bff20ef916c2ffb31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.649394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041204/publication.md
observed 0588c0d3a14945af2d71da4167c849ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.630531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041204/publication.txt
observed 30b2714082070925f40cd8700b61e120...
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.