OpenTechnical

OT-2026-000017358

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000017358) never changes.

Identity and time

Publication numberOT-2026-000017358 · never reused
Internal UUID01a0ae6e-76c9-77eb-ad6a-4a00350b4735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017358
StatusPUBLIC

Content hashes

Canonical text9231df89cc0fe3198ba551acfaf313ddce4918be10fafeab9de3459bb695a30c
Markdown5f91fb517190d8bd817b6f8bf2a62bf4b2693f1d56bbd8f356f435808f0162ab
PDF
Publication page72c5db9c5a90a4d53bca4d854997fd4abb08a77faf5f4b76e2e0b1f16936306d
Manifestaa7147173fdad2231ffb6e80f5d8b9d1501f75adfeb6a812e99510c1ba50845d

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
Signatureq5vQwdRFKfod8i0+SRqV6eeJtMRHFVU88nXdVNFaAUzjIKWspXviSsiTIfuq9T9XxUXKTCeBJ8ZMkKoAmXNuBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:28.469024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017358
observed 72c5db9c5a90a4d53bca4d854997fd4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.450953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017358/manifest.json
observed aa7147173fdad2231ffb6e80f5d8b9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.412495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017358/publication.md
observed 5f91fb517190d8bd817b6f8bf2a62bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.373555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017358/publication.txt
observed 9231df89cc0fe3198ba551acfaf313dd...
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.