OpenTechnical

OT-2026-000102451

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000102451) never changes.

Identity and time

Publication numberOT-2026-000102451 · never reused
Internal UUID01a0aea4-8589-7676-bb6d-81f9c119a9b2 · 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-2026-000102451
StatusPUBLIC

Content hashes

Canonical texte1b7b1a92dcaaf967152394436ae4df4842a8324c5ee14bd7047f1d2b3517646
Markdownc9528b4364706961478633080aaa13b018b932c1887cc2eae738dd081696556b
PDF
Publication page4f3d96fddb421f87a28b78ffb328473907f60fdfc4e1d31876a8b8300dbcfee6
Manifest0af8f8416215d3febb6003e9cf17146a8053bd79d0deb6be32cde995e94da525

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
SignatureeKsmdxEbUdxyUDmU/9lFlni4OZqHtMZl8GVGCXYb6srEWUptcmcEKnper8DxYpxCN9MkfIs1x/EcS/d4h/3OAg==
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

2026-09-17T09:23:47.988428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102451
observed 4f3d96fddb421f87a28b78ffb3284739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.969840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102451/manifest.json
observed 0af8f8416215d3febb6003e9cf17146a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.952283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102451/publication.md
observed c9528b4364706961478633080aaa13b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.934152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102451/publication.txt
observed e1b7b1a92dcaaf967152394436ae4df4...
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.