OpenTechnical

OT-2026-000104443

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000104443) never changes.

Identity and time

Publication numberOT-2026-000104443 · never reused
Internal UUID01a0aea5-3421-77da-9b7f-231e74310f78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104443
StatusPUBLIC

Content hashes

Canonical texte8bc4dc4e8d031ff36a64b0c1c43e923c0a8c99c2b62c7b40eafb46758f464d0
Markdowna344182f6b5b2820361f785c42220bef2cc8e1b6914e6da381e15bb6de22a573
PDF
Publication pageeb40617313384b79d8904fa49197abb3fe174a34d9509ff42b6f79a28af30dd8
Manifestb04614d198d461b83b253c26aeb9fd771b98c84de463df305fbd4ddff060c308

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
SignatureYbFBu0veAWacOrRCLwLT1jxX+LP52gIokMJLwRbryxKtPcoS7ezAQMbJmJJBPDJOA7CwrxMk+09XxZ/L1OiLAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:43.271123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104443
observed eb40617313384b79d8904fa49197abb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.255032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104443/manifest.json
observed b04614d198d461b83b253c26aeb9fd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.236864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104443/publication.md
observed a344182f6b5b2820361f785c42220bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.219476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104443/publication.txt
observed e8bc4dc4e8d031ff36a64b0c1c43e923...
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.