OpenTechnical

OT-2026-000089867

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089867) never changes.

Identity and time

Publication numberOT-2026-000089867 · never reused
Internal UUID01a0ae9c-428d-72c5-8101-dfdbfd206945 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089867
StatusPUBLIC

Content hashes

Canonical textc21b54fba0b3122f911668c823f2656a912391942cea933fb2b54b959b75b9bb
Markdown44e95bbc2c9aff9adc4d564a7d0951ee25ad4aa3ddb90eb55eacfb9099c77dcc
PDF
Publication page5768115157fa7342f1a32f84b39f3da32aac413e2c579944851b39b0aa466593
Manifestde94d369973cdc0ce5571885739c246e9e94a0c76837f69d18fcbd5dfb0e4fca

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
SignatureDWf3MzrfJF8D0FXkRhZhmQ3+wAs1DnoRPHBWBRaCyIfcutGjMQnk2BnvGWLBh8BgsVnSpJf5ir8LLBWOmm/ZBg==
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

2026-09-17T09:45:07.268668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089867
observed 5768115157fa7342f1a32f84b39f3da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.248849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089867/manifest.json
observed de94d369973cdc0ce5571885739c246e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.229626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089867/publication.md
observed 44e95bbc2c9aff9adc4d564a7d0951ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.212355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089867/publication.txt
observed c21b54fba0b3122f911668c823f2656a...
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.