OpenTechnical

OT-2026-000037003

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000037003) never changes.

Identity and time

Publication numberOT-2026-000037003 · never reused
Internal UUID01a0ae77-7740-7f37-9cd7-5dc40b153242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037003
StatusPUBLIC

Content hashes

Canonical text20823fed64a12d124fffe65ee9056b06bf7d80cde33ece4a6afd4a7dc2cff3ea
Markdownb9407ec50a1093b414702f4a255dc434d5ccdfa854f37986d7bc0bd5488829df
PDF
Publication page2516b8fcd012e3fcd72c3aa155a5a5ae88e20fae9c304245d6673ee8d011491a
Manifestb51421b03db9c9e1737899efafde254614093fae69473ba6a719b9ac08f793ac

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
SignaturesTFlCzBIVuuclPMDxkzgy144usfnlmHbFwJFVRi2gujUfnZTd5P10JN+vPMtAa0wwQj9xbUeJOx/ss4VkOxODQ==
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

2026-09-17T11:24:40.261148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037003
observed 2516b8fcd012e3fcd72c3aa155a5a5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:40.243379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037003/manifest.json
observed b51421b03db9c9e1737899efafde2546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:40.224394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037003/publication.md
observed b9407ec50a1093b414702f4a255dc434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:40.207497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037003/publication.txt
observed 20823fed64a12d124fffe65ee9056b06...
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.