OpenTechnical

OT-2026-000102419

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000102419) never changes.

Identity and time

Publication numberOT-2026-000102419 · never reused
Internal UUID01a0aea4-8589-7338-8d0f-55fdbf84731f · 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-2026-000102419
StatusPUBLIC

Content hashes

Canonical text13f73fc198e1bbb2568252a1dc1b018b6880a725235c257627682bd7145e02c3
Markdown352d22d1d44ed5c7701fc4e1d288a1a33a0edde23f66a302bce633cc05112e69
PDF
Publication page8b86bf53b417b81ef65e6c9157ca14572a8390fd7ba3919127c5245497b2e10a
Manifest789a8b055c2ceceaa5724afff9fd1b9e384681fc904d404ad4ed871d6b2994da

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
Signatureiw6WbZjteXqLyRvdw6fVVijQ/thP9sg26tVCK9wXgu0RQCXBzzS9jaDVpA90anxD8RNmrWYn+WHeZcw8VfzTCQ==
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

2026-09-17T09:23:45.659901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102419
observed 8b86bf53b417b81ef65e6c9157ca1457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.642960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102419/manifest.json
observed 789a8b055c2ceceaa5724afff9fd1b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.623978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102419/publication.md
observed 352d22d1d44ed5c7701fc4e1d288a1a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:45.606238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102419/publication.txt
observed 13f73fc198e1bbb2568252a1dc1b018b...
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.