OpenTechnical

OT-2026-000095872

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000095872) never changes.

Identity and time

Publication numberOT-2026-000095872 · never reused
Internal UUID01a0ae9f-fac7-734b-9f82-bf74e009bc24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095872
StatusPUBLIC

Content hashes

Canonical text61849078df7916b0c707e40ac880d5a2ad5ea185ea648f15429b4a2e8d7ec272
Markdowncb9b983d00978133428a314e20978af3a5119e471eebba16a43bd1eff12fd5f8
PDF
Publication page6e0595a66d7185827e512bd5568fa31b5674cc9b5b7b1f1d425429ac70d2b49a
Manifestd94dbf6e8cc7a97ea1a2ebdd44d4e4c2fafe401bf4c3c29062cf201079d90b37

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
SignatureCc0yCV7hEk4bPNv77+C4rRfDBenYJbEiSn1oXpQBYrKo2MilRZxWl96d3r96526S9NkofUk+bQahvmp3vjxeBg==
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

2026-09-17T09:35:03.341373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095872
observed 6e0595a66d7185827e512bd5568fa31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.321373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095872/manifest.json
observed d94dbf6e8cc7a97ea1a2ebdd44d4e4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.302893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095872/publication.md
observed cb9b983d00978133428a314e20978af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.284896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095872/publication.txt
observed 61849078df7916b0c707e40ac880d5a2...
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.