OpenTechnical

OT-2026-000061386

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000061386) never changes.

Identity and time

Publication numberOT-2026-000061386 · never reused
Internal UUID01a0ae8b-7b42-72cb-b242-513faf642352 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061386
StatusPUBLIC

Content hashes

Canonical text37df64a25b0a146eb797916818bd88fd925f8fb75a9dd5b66478dea0e2f513f6
Markdown94b5a5beb2be0ac2c0895f930e6dbcb45184b953608ec4a648d791304820b834
PDF
Publication page218b6103ead1ae867db726b9d71748518193ebb42ca254a4c3f17eb6627adfa1
Manifest4cf1636efca2549ee51402123c15a4e17c1c23a9e52fde75949c5e4171168244

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
Signature+R5KktUrKQ9xpP9kpmqm0unlYjOkcHaEq1XwTZD23hZANfohqqgJ9zwJaV/rttosNJvrZrHP7ofadKvcANvSBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:14.729513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061386
observed 218b6103ead1ae867db726b9d7174851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.709129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061386/manifest.json
observed 4cf1636efca2549ee51402123c15a4e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.690531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061386/publication.md
observed 94b5a5beb2be0ac2c0895f930e6dbcb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.670828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061386/publication.txt
observed 37df64a25b0a146eb797916818bd88fd...
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.