OpenTechnical

OT-2026-000022447

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000022447) never changes.

Identity and time

Publication numberOT-2026-000022447 · never reused
Internal UUID01a0ae6f-f4fd-7bd9-b682-ed7adfd0a840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022447
StatusPUBLIC

Content hashes

Canonical textb3430d366bbc592be972172fb47e7509d8a2f328ce9d8f95c438410d720f2c20
Markdown0a26caab3a87a765ed9ed58e55194f25db4f625dcdbfef908cd65ac0f7aa098f
PDF
Publication pageb997b344c5d2a0b2eececb5829ad3602c51e57a9cacfba9416a3277dafc2f449
Manifestf4ef8db14377482b260a36ec8a5535e68422c07b12fee5ab6d75478dd01ea068

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
Signatureo34Uyqj2YSch8YbaJDPP4hGQtkDEXxBLgYnct4mqyIJYwLDrLpdtFLCUNGHNfful+qATYcrXS/53+Pn/YjH/AQ==
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

2026-09-17T11:53:50.571431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022447
observed b997b344c5d2a0b2eececb5829ad3602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.553484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022447/manifest.json
observed f4ef8db14377482b260a36ec8a5535e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.536526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022447/publication.md
observed 0a26caab3a87a765ed9ed58e55194f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.518441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022447/publication.txt
observed b3430d366bbc592be972172fb47e7509...
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.