OpenTechnical

OT-2026-000020114

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000020114) never changes.

Identity and time

Publication numberOT-2026-000020114 · never reused
Internal UUID01a0ae6f-4378-7705-97b1-b64d8ad60f55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020114
StatusPUBLIC

Content hashes

Canonical texta7116d4ace276138571a120b3fd99327971f932270f3ae2e1b5d299b4c119ac1
Markdown814236e3fedc7c034aed9c8542f02dbb1fafa1c4712594f9e37f2ad4fc4d6fc6
PDF
Publication page2ea3b4973e02358654d887c91889090e36f5df5627603e09476bf7c17b89fe9c
Manifestb3a24ce5bc76b006cd56fb6ea4f40fdd33204606bf238c93a3d8f4d943493f90

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
Signature1UEYYN90FWqFiBrtSWxAP3US1Am09GqDFCDO+ehuSwLpwd4o9Du5qF2ft7SJdUEP05Hd/KFhN91V1T/9Mw+7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:24.971526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020114
observed 2ea3b4973e02358654d887c91889090e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.952456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020114/manifest.json
observed b3a24ce5bc76b006cd56fb6ea4f40fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.932204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020114/publication.md
observed 814236e3fedc7c034aed9c8542f02dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.912491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020114/publication.txt
observed a7116d4ace276138571a120b3fd99327...
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.