OpenTechnical

OT-2026-000102740

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000102740) never changes.

Identity and time

Publication numberOT-2026-000102740 · never reused
Internal UUID01a0aea4-858c-781d-8cc8-ba0228a82b53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102740
StatusPUBLIC

Content hashes

Canonical textfed936bb7d0c4f5b32598bad8bb6493c1888c6e5c60c8aa77b52aef108a89946
Markdown490675e8bdf2db699d704eeefa0ef76ee7356fd8177623912513c7ffd77414cc
PDF
Publication pageac95b56630cc38e2707d7643355a75a045b9f4303893fb1789deee016e4562de
Manifest7f80fb77072dd20e0cba7bc8f6823a8e1f7eb82dbab073627e02400a776ceddf

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
SignatureFIe/4KLIj4/HudkzJj1DMGXt9yNPiGarnruIzVJm+x1WTQxABleTPDrRe9Q0pWffGKKu8JQbn/8qBNiPmyz1Cg==
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

2026-09-17T09:24:15.531921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102740
observed ac95b56630cc38e2707d7643355a75a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.514947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102740/manifest.json
observed 7f80fb77072dd20e0cba7bc8f6823a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.496541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102740/publication.md
observed 490675e8bdf2db699d704eeefa0ef76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.478923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102740/publication.txt
observed fed936bb7d0c4f5b32598bad8bb6493c...
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.