OpenTechnical

OT-2026-000104260

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000104260) never changes.

Identity and time

Publication numberOT-2026-000104260 · never reused
Internal UUID01a0aea5-3420-719c-957f-0773615ed77d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104260
StatusPUBLIC

Content hashes

Canonical text91fca586af17726fabf481f6ed53c45347b10ff1f7993622df63eb3551a9ddb3
Markdown8784ec7c00d7d8be36b6e68b4ec94acc2b2e3461da7898e03f067de8a408d673
PDF
Publication page9a66df2a906590485fc2652f74bb2f9480b037ecdeab7200278e100385380859
Manifestee23f15426ee8010c2f6c762428a35277029e4f0266a061fbc89690a58e9b93b

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
Signature8ijCy1mSrelCPJM5/x0izQ8N9jKl+bTSgFEp3/eFAu/Oq9v9IGJUqV2Rx1XcZjGVZx2PnGaoilPtV0HJSypzCg==
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

2026-09-17T09:20:22.365183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104260
observed 9a66df2a906590485fc2652f74bb2f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.348663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104260/manifest.json
observed ee23f15426ee8010c2f6c762428a3527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.330787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104260/publication.md
observed 8784ec7c00d7d8be36b6e68b4ec94acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.313988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104260/publication.txt
observed 91fca586af17726fabf481f6ed53c453...
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.