OpenTechnical

OT-2026-000026136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026136) never changes.

Identity and time

Publication numberOT-2026-000026136 · never reused
Internal UUID01a0ae71-a840-7570-bd44-3ab97c06461b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026136
StatusPUBLIC

Content hashes

Canonical texte91844cc75dfed50fc8f95b13a71beafce9bdc769eaff7439b6a201721157343
Markdown6b06245c80e631231c33012e7fdaa17cb8b120e5e60bb72c2f37f53861935f36
PDF
Publication page89a172df2e80d891b4d4d76ee199ecd7d564887253c1cc566d4afd219520f14c
Manifest5981443647b9f961753f5c7ba60b438fe98c387787e50a5328a84e3fab4fc3e3

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
Signature4tWJMckpCj+vdMQ5eZvVAiIWH4HEc4iWzcVOMuxnGld1qHi7yZTwZ57+uGRSLRkwMD5cLk54bjPapqUIgB5jBw==
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

2026-09-17T11:46:38.566285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026136
observed 89a172df2e80d891b4d4d76ee199ecd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.542829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026136/manifest.json
observed 5981443647b9f961753f5c7ba60b438f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.527146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026136/publication.md
observed 6b06245c80e631231c33012e7fdaa17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.509113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026136/publication.txt
observed e91844cc75dfed50fc8f95b13a71beaf...
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.