OpenTechnical

OT-2026-000041506

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041506) never changes.

Identity and time

Publication numberOT-2026-000041506 · never reused
Internal UUID01a0ae79-e89f-7ea0-ab59-a9cec216e36c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041506
StatusPUBLIC

Content hashes

Canonical textc05f7c6d38bbe3a18015a638b48ff5f2c6c841cd80a09f6921e1dada3a2110ac
Markdowna559858278b754953f321e7530373fe69a4a96b38e5b0da29cb99c0a5645e341
PDF
Publication page9af8301121177ffbc8dea86cb83a6dbcee23fab03674800ee90cd181144c57b9
Manifeste3ff7313db6b170109e383079bcbeaa69c487f306d20f847b856c08501532d8e

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
Signaturei605u1E+EW3gSag/8894FyUXdrEAikR2hgxKbHharYx1ABSVmIkBKBs5BQ/yhovfgS6RrZUMcEpjoKuZzrn7Dw==
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

2026-09-17T11:16:16.387820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041506
observed 9af8301121177ffbc8dea86cb83a6dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.368932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041506/manifest.json
observed e3ff7313db6b170109e383079bcbeaa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.350730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041506/publication.md
observed a559858278b754953f321e7530373fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.332049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041506/publication.txt
observed c05f7c6d38bbe3a18015a638b48ff5f2...
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.