OpenTechnical

OT-2026-000102944

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000102944) never changes.

Identity and time

Publication numberOT-2026-000102944 · never reused
Internal UUID01a0aea4-be3c-76e5-9bfd-5d6cd269e0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102944
StatusPUBLIC

Content hashes

Canonical text32f2d8a03ea7155e08c2ed98edc569f6019eaf536f97628e7fa021c9584046bd
Markdownd07c19bfe64415876c9fda09add8ec6dee5658573f05e9430796c28bf4ac90a5
PDF
Publication page8b383839364c73e8463a89425a6d71b1be8a940b1389bab8eabfc2d532a40903
Manifest99e315cb03ca25f5b940c4847be7e961689cfc6a68ddfd567d36950b40db2d2f

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
SignatureKotx7BTNRXeMf44S+Fs3NKEbrFUfA1pninAYAUBuYgi/dlR1NDJnDvJBjxQrn4E4aWM/QaIlYxe44UnGa0AYBw==
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

2026-09-17T09:23:02.991255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102944
observed 8b383839364c73e8463a89425a6d71b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.972970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102944/manifest.json
observed 99e315cb03ca25f5b940c4847be7e961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.956296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102944/publication.md
observed d07c19bfe64415876c9fda09add8ec6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.937453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102944/publication.txt
observed 32f2d8a03ea7155e08c2ed98edc569f6...
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.