OpenTechnical

OT-2026-000102211

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000102211) never changes.

Identity and time

Publication numberOT-2026-000102211 · never reused
Internal UUID01a0aea4-50f3-7460-a556-f9adbff48e57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102211
StatusPUBLIC

Content hashes

Canonical text5df0602d355c51f8dad6917a72f70a0f047d616a42914e19d38509365e70258d
Markdown8fb2225ad8c5921e2318c32fe33bc4951a2d32ca146a063da0f4c63149c1a51b
PDF
Publication page7a286ac1490849aa3ea58886233d5f7185a5e92f20811c37240f1464e5842b2d
Manifesta6bb00e9901dce912e87551e89d3f7fead412d1d3943a81ed7c005e997c0290e

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
SignatureG+leYGW1zbFZ6TeerPlQ7NpKhfo6CbCTSnmuWJuLOmfUe/OBcXI0ACxlGexFA7lghqecNic44o9VMA6FTNI/Dw==
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

2026-09-17T09:25:23.198249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102211
observed 7a286ac1490849aa3ea58886233d5f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.182095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102211/manifest.json
observed a6bb00e9901dce912e87551e89d3f7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.164387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102211/publication.md
observed 8fb2225ad8c5921e2318c32fe33bc495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.147657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102211/publication.txt
observed 5df0602d355c51f8dad6917a72f70a0f...
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.