OpenTechnical

OT-2026-000038637

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000038637) never changes.

Identity and time

Publication numberOT-2026-000038637 · never reused
Internal UUID01a0ae78-2d55-77fe-9463-53a04af0dc7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038637
StatusPUBLIC

Content hashes

Canonical textb79056a413844467dd7d7b09374394455a0059958fb51e00fa91ac491d69b3d9
Markdownf03fdde0f9b83e852e7445db121c37bd39e68dc357b4d84debc6050580e2d32a
PDF
Publication pagefd89a4474e9cca2a8ef6666e30c4bfd4789d1ba98e038d62f88624051aa52d95
Manifestee73774167e9be58b37ce5295542062bc96de21387f0df8e64cbd43b5fa3e07b

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
SignatureFJQrjuZY3mh8YCIHpnTO8fP96h7ENJnKweq31MRzpooGbjVTTY9Kf2Gui4fFOMXqTVn3D9l+61VQpCdaNKT2Cw==
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

2026-09-17T11:22:55.994674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038637
observed fd89a4474e9cca2a8ef6666e30c4bfd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.977887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038637/manifest.json
observed ee73774167e9be58b37ce5295542062b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.960953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038637/publication.md
observed f03fdde0f9b83e852e7445db121c37bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.944526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038637/publication.txt
observed b79056a413844467dd7d7b0937439445...
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.