OpenTechnical

OT-2026-000092855

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000092855) never changes.

Identity and time

Publication numberOT-2026-000092855 · never reused
Internal UUID01a0ae9d-b601-7e23-bb4f-ab720eeeb0f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092855
StatusPUBLIC

Content hashes

Canonical text6c5ade0cc4253940e38066eb511b1ddbcb2d3ef9d5c5f24075911f8d84dd17f0
Markdown5a35d8b3db8c06737aecfc12c5beff63211be7c07b0317d13ef5a8ec493d4785
PDF
Publication page4f4387bea662ed7be74c125e606dc9412e7e09cd202c41579005f020e4edf348
Manifestd073ac5dc34c4a49ab5495a9a10173d48ad2cea9b49066a3821c92a87c24d6ca

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
SignatureR6diQ5E8SnHloXNvMO1uviisAUtKS+AfePKjHwMW74di3vV+U/K515EOstmVBnLpawdkbjm2Kf7FhQR44WVeCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:30.710976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092855
observed 4f4387bea662ed7be74c125e606dc941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.692941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092855/manifest.json
observed d073ac5dc34c4a49ab5495a9a10173d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.675440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092855/publication.md
observed 5a35d8b3db8c06737aecfc12c5beff63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.656065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092855/publication.txt
observed 6c5ade0cc4253940e38066eb511b1ddb...
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.