OpenTechnical

OT-2026-000025836

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000025836) never changes.

Identity and time

Publication numberOT-2026-000025836 · never reused
Internal UUID01a0ae71-a83e-78a1-90be-a1ae1d80b629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025836
StatusPUBLIC

Content hashes

Canonical textfb3b6bb61cfd9cd5b004d120d3fbd4b8ed6b520d1eff06fa664c47adaa2cf905
Markdown825a365a91877626dac4c596d471bebef11c936a059ebdda539057b92e4b4d08
PDF
Publication pageb23f125cf2e33429912a895f48ea1b208c89b47c2ece8dec2c0f88cc62fb02cb
Manifest693af6987bf6e5481947fa779907c41a978f039294ac77f13bc7ca9ddd029d52

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
SignaturediiIvsdUgiOKHnF78IT5S7/Sy3MiqYaqx8Iy14pxKP5+bhzsZovBnPgK/9m9TsFaOHwG05A31uVxD4DbPrzNBQ==
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

2026-09-17T11:46:03.737230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025836
observed b23f125cf2e33429912a895f48ea1b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.721758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025836/manifest.json
observed 693af6987bf6e5481947fa779907c41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.705838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025836/publication.md
observed 825a365a91877626dac4c596d471bebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.690340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025836/publication.txt
observed fb3b6bb61cfd9cd5b004d120d3fbd4b8...
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.