OpenTechnical

OT-2026-000061438

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000061438) never changes.

Identity and time

Publication numberOT-2026-000061438 · never reused
Internal UUID01a0ae8b-7b42-7a35-b8ad-2a2b14b012ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061438
StatusPUBLIC

Content hashes

Canonical textbd128587062169cf3a664c4159f20f4fa83a1d94c3e5bfa36f914b97f14588fc
Markdown8796c98241fc792211ebfa2c282a29696328fa870455e8151106c72a07df0754
PDF
Publication page5cd51039eca08a89ed0ed7d55c70e123639de8c59cedcef9137a28f33b463c52
Manifest8be4f5a3a5c0acb400e1eed2297b59a5e8cec457f448114c6eb7c732be7585c8

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
SignatureavVI80GUkIzrcmx2QMPIQssXK7PpnZlZ5I0tBzMzEXyq9cOROAazfxS2QEVlWlj7OOUaVo7KkA7JLvGR4Cs4Ag==
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...

Independent retrieval

2026-09-17T10:41:18.947474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061438
observed 5cd51039eca08a89ed0ed7d55c70e123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.927564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061438/manifest.json
observed 8be4f5a3a5c0acb400e1eed2297b59a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.910216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061438/publication.md
observed 8796c98241fc792211ebfa2c282a2969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.890879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061438/publication.txt
observed bd128587062169cf3a664c4159f20f4f...
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.