OpenTechnical

OT-2026-000087244

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000087244) never changes.

Identity and time

Publication numberOT-2026-000087244 · never reused
Internal UUID01a0ae9a-9f2e-7b65-96c8-c74a0c70354f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087244
StatusPUBLIC

Content hashes

Canonical text511d012365e6ca2fbb7412ff2c228b81e9f31c1062f2d3512bd8c950ed69911b
Markdowncceaf30987e13a9319def93bb022b84becf84a4220cf0917122d5a9d7643a1c4
PDF
Publication page75a51be2a2311d73881a0bcfd4b72df51f6f632e0f820b0c5fb3a998ae51269e
Manifest35250d90b46d4cbbc93f3e05156550d4fed1f751f1b1d683347bc7a78652d80e

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
SignatureDIV8PoyhB/m1RC4vmcB4NrcFjQuPE0HSJGKGFOMK4Lg8W+50AB0FYjX8touQun0Ix4ujpgijlJKfyDoBaMfKAQ==
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

2026-09-17T09:51:32.897259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087244
observed 75a51be2a2311d73881a0bcfd4b72df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.880057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087244/manifest.json
observed 35250d90b46d4cbbc93f3e05156550d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.861982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087244/publication.md
observed cceaf30987e13a9319def93bb022b84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.844349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087244/publication.txt
observed 511d012365e6ca2fbb7412ff2c228b81...
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.