OpenTechnical

OT-2026-000078401

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000078401) never changes.

Identity and time

Publication numberOT-2026-000078401 · never reused
Internal UUID01a0ae95-7c28-7573-9f45-611355da0a83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078401
StatusPUBLIC

Content hashes

Canonical text623f0784f9dfaf8475e8dc5f2e24892ea2000adf6bf0f68ebe2765178e79016b
Markdownba9fb651228d93d92ab5835e4c0868cb5bf090229aa7f9efed305d86a3de4fb9
PDF
Publication page8b9c040507e2243183e999054ee7ee7e07d66f60a95a6c8d12bf1d8d4f409bae
Manifest8bbf9cbc73a460842b7ed288def69df1119bfee740ba8624c813f5eb0f984d36

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
SignatureCM8ytVJlBXlsiU85t188lb82RVSgSrYjmRePWZTyc0iSTR4d+vDFTiFi8gzn+sY74S1vvh9Yf9sBsyzpB/x0Ag==
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

2026-09-17T10:06:23.581488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078401
observed 8b9c040507e2243183e999054ee7ee7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.560693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078401/manifest.json
observed 8bbf9cbc73a460842b7ed288def69df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.539032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078401/publication.md
observed ba9fb651228d93d92ab5835e4c0868cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.517283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078401/publication.txt
observed 623f0784f9dfaf8475e8dc5f2e24892e...
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.