OpenTechnical

OT-2026-000074176

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074176) never changes.

Identity and time

Publication numberOT-2026-000074176 · never reused
Internal UUID01a0ae93-7178-7076-ad32-80558d3b4251 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074176
StatusPUBLIC

Content hashes

Canonical text83944215bb0de85f15b192fb5eb4c5b7e7dc40758e499e0390532b8b26fb526c
Markdown86170ec604c7819df3c48e41cf6a65e3e9a4299c7525784bda641d66d6de43d8
PDF
Publication page7bd6cab7e01b312f0a51b112c2b340c196982096de1ea6f99499400bd2fbcf27
Manifest920c9402dc367970d0137e1e864f5b9cbd0d27f4bd540a2bc7f70e62c9b258c3

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
SignaturenaZBl0u/VpZPqRASJqizX7ouWp5Rt4V5TpTGyqKb0IN0h55kC0UerE8aoVxq6i2s/Q3y6sMHeqeyw1f5LQt/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:01.640390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074176
observed 7bd6cab7e01b312f0a51b112c2b340c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.624900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074176/manifest.json
observed 920c9402dc367970d0137e1e864f5b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.608434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074176/publication.md
observed 86170ec604c7819df3c48e41cf6a65e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.591378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074176/publication.txt
observed 83944215bb0de85f15b192fb5eb4c5b7...
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.