OpenTechnical

OT-2026-000037427

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000037427) never changes.

Identity and time

Publication numberOT-2026-000037427 · never reused
Internal UUID01a0ae77-b8cd-70bd-b46f-ff774181d245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037427
StatusPUBLIC

Content hashes

Canonical text4413d679be29018c05da48ce1ac30e99639cd6a421fa061a6571ba8a350236b1
Markdown023ad9ee296c09180159eb6007b9fd79ac38cb3425bb7c78d2b2b0898128b9f3
PDF
Publication page318eb7cf4097da08435d4803293ad8befe4b220599a2464054ecf83765c763ac
Manifest2b6e315652bbe495a56c2a5c1f497d9f7f1290de3d8bc66afed71f5ef8ef854d

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
Signaturemxghb49Dlu434OOuVM3JOlxLkitQGQbE7Bym154kEnsGMupJWI3v4hqVb1kTMuBNC7AAOLKhEfcqFBR8svAXBA==
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

2026-09-17T11:23:50.661713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037427
observed 318eb7cf4097da08435d4803293ad8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.645533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037427/manifest.json
observed 2b6e315652bbe495a56c2a5c1f497d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.629726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037427/publication.md
observed 023ad9ee296c09180159eb6007b9fd79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.611379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037427/publication.txt
observed 4413d679be29018c05da48ce1ac30e99...
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.