OpenTechnical

OT-2026-000066696

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000066696) never changes.

Identity and time

Publication numberOT-2026-000066696 · never reused
Internal UUID01a0ae8e-ce42-752e-8b75-fa4633e9b658 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066696
StatusPUBLIC

Content hashes

Canonical texte36c8c2e43d876184642d48c405cbec56976e23872199d848673c813c5cfe4a0
Markdowna68dc842e20060534cccd5175ac82c7c02670072b10b454334d05666ecbff0a2
PDF
Publication page113352b73394c89bb755cc97aa1f8b7d9976aa61c419f2fef4a12d6bc14a4c29
Manifestf962f4db23cc4f241f1def1ddcb6fe2bb7a9bfeddea03ec73dd49d29647761ec

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
Signature+vtksFqek1pKkLokHK+eN1eWLISBDl3qsBY++wJmxEQKBtXtcEp/1ZM59nz2aRijnhsF2Rliph/pRG/r0hNcDg==
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

2026-09-17T10:33:05.731634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066696
observed 113352b73394c89bb755cc97aa1f8b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.713457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066696/manifest.json
observed f962f4db23cc4f241f1def1ddcb6fe2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.695519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066696/publication.md
observed a68dc842e20060534cccd5175ac82c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.676813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066696/publication.txt
observed e36c8c2e43d876184642d48c405cbec5...
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.