OpenTechnical

OT-2026-000007767

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000007767) never changes.

Identity and time

Publication numberOT-2026-000007767 · never reused
Internal UUID01a0ae62-843f-7347-94ab-ad7a443a3284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007767
StatusPUBLIC

Content hashes

Canonical text5cd6d3bdce7fffe69cb0cfcc48286b9d768fb6e1804c96d913f58172f89b27cd
Markdown16ef947cd6f519cd427d0c5445027858af512addfd7e7d7633e6ca2968e3de04
PDF
Publication page59f81b9631777cd7ddce4b5ca0c1381054cc83e07e55c13aff33ec2273b33f91
Manifestba6f2688a58bce1a989701bb94060bc35770c1e07013afa87370344b100ba086

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
SignatureqObWdmAYkzhvRQqaYDdgp5tvKm96kDYb5kmn9zGHVBmg95xNea4TUEUghUbVDQdcuPcnty4/HFyq4ld5tVtHDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:09.900634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007767
observed 59f81b9631777cd7ddce4b5ca0c13810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.881948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007767/manifest.json
observed ba6f2688a58bce1a989701bb94060bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.863976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007767/publication.md
observed 16ef947cd6f519cd427d0c5445027858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.842872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007767/publication.txt
observed 5cd6d3bdce7fffe69cb0cfcc48286b9d...
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.