OpenTechnical

OT-2026-000029695

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000029695) never changes.

Identity and time

Publication numberOT-2026-000029695 · never reused
Internal UUID01a0ae73-5e23-7e7a-b832-215696cc2831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029695
StatusPUBLIC

Content hashes

Canonical text9fe385a7ee381da9df0ea18118937877e4d346b6e2a2deca410a84ab786d62f3
Markdownb58f2ccb8c9e6d39ec688433df51469e04fb907c22971142ed2c16f99d99f7d6
PDF
Publication page546124c0eb2f20e194120e6f8a48fefa2e2762a87fc664667f1e2a7312d13f87
Manifest0b39349210124417f4dedb9cf20e7a8e2393dfc41dfcac3d8c9d251e9b1e9e5b

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
SignaturesrKS22sE8rmB3xicW7pVYq+gN6AgcIHaa7d6iBZWASE2T3xoLre1bdag5Xa0vBQLcYQnnIdTvC2aJx6gzvSjAg==
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

2026-09-17T11:39:25.382109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029695
observed 546124c0eb2f20e194120e6f8a48fefa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.361988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029695/manifest.json
observed 0b39349210124417f4dedb9cf20e7a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.341737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029695/publication.md
observed b58f2ccb8c9e6d39ec688433df51469e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.323550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029695/publication.txt
observed 9fe385a7ee381da9df0ea18118937877...
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.