OpenTechnical

OT-2026-000102360

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000102360) never changes.

Identity and time

Publication numberOT-2026-000102360 · never reused
Internal UUID01a0aea4-8589-7623-9efb-f297ea6b7b5e · 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-2026-000102360
StatusPUBLIC

Content hashes

Canonical text9ddfff61d3bd9b2b7ee45372546c1980e27adeb3f8234d61b99b57cfc3c7f7e5
Markdowne1e73776339e2bc063d245d37280d5c55e6ff1585bca9a55496c651cec63ba5a
PDF
Publication page1bc25b40399c47743f656287274af1b359b5f825155af68ac731384c9f43a830
Manifest29fa5316f8ee9454873e9a850c4625dc81d179959de121f6994df223a712a352

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
Signatureqx4YZDo+30QyCUFNT3l70Q84yGXhD/umQt1XyfuY+7gmzSi8t4Zj5lGLbCCrqR6CZAfRVD+66uTfWagach3bBg==
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

2026-09-17T09:23:41.836558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102360
observed 1bc25b40399c47743f656287274af1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.820518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102360/manifest.json
observed 29fa5316f8ee9454873e9a850c4625dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.801381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102360/publication.md
observed e1e73776339e2bc063d245d37280d5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.782328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102360/publication.txt
observed 9ddfff61d3bd9b2b7ee45372546c1980...
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.