OpenTechnical

OT-2026-000054144

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054144) never changes.

Identity and time

Publication numberOT-2026-000054144 · never reused
Internal UUID01a0ae85-b3a8-7bae-8d43-9c67af7da0b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054144
StatusPUBLIC

Content hashes

Canonical texte0ebcb3f8a648ba7329b43649f4ae7891e9544397b5f1c30a838b1be80d19b46
Markdownf0c4a3e1f820af3f24f462de4b5c7bd3ea522d545f5b4bf795ffbfcf13f547c7
PDF
Publication page1aecc5ee2441a0f91473bda6f58cf2daa3ba5fe2996668c5eaf7802a80f3bce0
Manifestf99d94cf3ca9fd650efa46e0408e9c7cae92856e6b722eff322372a3901c7019

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
SignaturezQgY2XpIiVm0+pEEvAdmRewfIrxjRTFsgGfHjjkFFPR98zf/Np1kvgxntXp0M3iVK/m7cIu5cW1ef2GDNdgrDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:34.782842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054144
observed 1aecc5ee2441a0f91473bda6f58cf2da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.766999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054144/manifest.json
observed f99d94cf3ca9fd650efa46e0408e9c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.749926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054144/publication.md
observed f0c4a3e1f820af3f24f462de4b5c7bd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.731318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054144/publication.txt
observed e0ebcb3f8a648ba7329b43649f4ae789...
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.