OpenTechnical

OT-2026-000032483

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000032483) never changes.

Identity and time

Publication numberOT-2026-000032483 · never reused
Internal UUID01a0ae75-106f-74a3-8af4-d19e8ddeb11f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032483
StatusPUBLIC

Content hashes

Canonical textff05f6a612bd226af89304798d689401a70eb40f97c44ec2d6251a4e72260a19
Markdowna8ee4d4bee67b1fc48dfcb28c926ee7b714a3656abac08fd8b635ff3bdd112d5
PDF
Publication pageb9a0d7f8a9269bda668ffccd1822dda59dcb111965a88291ee14765357ee8dfc
Manifesta718864aebfabf86cf7de8444cde07b766023d9e2172fd49581e4c8719af74a1

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
SignatureZD/Mc/wA1zaMmUQWZh7Q+9B2fa+/mexJQY5bspNdkrwVBkP98mGzsjvEsRnPdTpITZ8//NXoj1PLKRWtQDOUAw==
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

2026-09-17T11:33:55.032742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032483
observed b9a0d7f8a9269bda668ffccd1822dda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.015155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032483/manifest.json
observed a718864aebfabf86cf7de8444cde07b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.996292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032483/publication.md
observed a8ee4d4bee67b1fc48dfcb28c926ee7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.978155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032483/publication.txt
observed ff05f6a612bd226af89304798d689401...
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.