OpenTechnical

OT-2026-000031587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000031587) never changes.

Identity and time

Publication numberOT-2026-000031587 · never reused
Internal UUID01a0ae74-87af-7996-8934-8281957ef5c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031587
StatusPUBLIC

Content hashes

Canonical text93c65778cc0e5d27d543e142b54e443aeccf032fc870f947c3c682dc5cc8fa03
Markdownd655ecf74a8dfc17c021cdbf9cdf15f14b43b1cab44491325dcd5087a0e7c5f1
PDF
Publication page26b764defe9d8145fcc6b63575e0f30e999aee3057e8c3a8eb62c354b82760e8
Manifestd64b565eb27f731821d2f31af1105a0059e84d6febb476ef4ebdd4ead56767d3

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
SignatureDaHLLxFnP8mCvO1JNk3xLkLLzRN4H8HZqIgrRMHK94+o0x5kEdZc6y8n6AUtm1XicbDIcjVF1OND4BFoKgD8Cw==
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

2026-09-17T11:36:26.484926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031587
observed 26b764defe9d8145fcc6b63575e0f30e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.467764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031587/manifest.json
observed d64b565eb27f731821d2f31af1105a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.449945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031587/publication.md
observed d655ecf74a8dfc17c021cdbf9cdf15f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.431479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031587/publication.txt
observed 93c65778cc0e5d27d543e142b54e443a...
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.