OpenTechnical

OT-2026-000066103

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000066103) never changes.

Identity and time

Publication numberOT-2026-000066103 · never reused
Internal UUID01a0ae8e-8dc3-702d-b02d-62ceeee707a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066103
StatusPUBLIC

Content hashes

Canonical text5867cfc884273762c2df55e0dd9d491ca0ef51470be45ee273fca396ed253ce7
Markdown0da40f94a368cf5ff10645ddb73df872762c9128a7f4998e3131d18b7db80af1
PDF
Publication pageb57ca506a2c081482cfed75a58e358e8ad34e4bd95de758170fc268715bd8f38
Manifest81a7ca382bfa69da2dbc14254245a233f0a14a875656aee18ea69589ad240752

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
SignatureQP6vKOkLeEiCJMEX56fWAGfW9u6yTA9VPSaV+qAJ1PO2EPNJCWd4Zs7s69iYixJJWrpbLnv2xOwpMzWhF3apDQ==
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

2026-09-17T08:50:48.571367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066103
observed b57ca506a2c081482cfed75a58e358e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:48.554294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066103/manifest.json
observed 81a7ca382bfa69da2dbc14254245a233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:48.535765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066103/publication.md
observed 0da40f94a368cf5ff10645ddb73df872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:48.516598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066103/publication.txt
observed 5867cfc884273762c2df55e0dd9d491c...
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.