OpenTechnical

OT-2026-000100371

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000100371) never changes.

Identity and time

Publication numberOT-2026-000100371 · never reused
Internal UUID01a0aea3-3054-762e-9448-6d384ab7b900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100371
StatusPUBLIC

Content hashes

Canonical text0a1d13f264320e71793a9fee95518563fc9df99293fdfb231b2c95a3bcbda461
Markdowna8b54e1bfe12ddd9223aee39742bce4e940c51026097584adca3b1ff08450c39
PDF
Publication pagefd8b3f70f183a7a085c16f51d84c30244f7a0e2681a15525611e99f5726d22a2
Manifestb576bbb4d56b80eda62571420658e314146545132a3e956bd7ef705069d0c015

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
Signature1pLPlecc7jLLmN/6EQZQm9M31DqgEYNTk3NLsw+c8BJoDDlT7qbyXD7R0uXUnY4ly0xy/uf9t5bLg3V7f49pBA==
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

2026-09-17T09:30:19.710088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100371
observed fd8b3f70f183a7a085c16f51d84c3024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.691428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100371/manifest.json
observed b576bbb4d56b80eda62571420658e314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.673503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100371/publication.md
observed a8b54e1bfe12ddd9223aee39742bce4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.652077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100371/publication.txt
observed 0a1d13f264320e71793a9fee95518563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:41.914492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100371
observed fd8b3f70f183a7a085c16f51d84c3024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:41.895542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100371/manifest.json
observed b576bbb4d56b80eda62571420658e314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:41.877969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100371/publication.md
observed a8b54e1bfe12ddd9223aee39742bce4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:41.859049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100371/publication.txt
observed 0a1d13f264320e71793a9fee95518563...
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.