OpenTechnical

OT-2026-000009219

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000009219) never changes.

Identity and time

Publication numberOT-2026-000009219 · never reused
Internal UUID01a0ae6b-31b9-7c20-918e-3dd7198667f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009219
StatusPUBLIC

Content hashes

Canonical text1c6b7fbb92628b0cc5eb4205fba7334a39c06736cb14d09be9148d703545cefb
Markdownc10b4c74ab5fd329dc885a5feba98e497b57856b74103e786a19f539bfb0946c
PDF
Publication pageb5c35e20a2003b13ac3b2e8fdfe25900abe25c03f6bd2fc1716a924ba1a503b2
Manifest266f4395a562b9fb60072c312fe261bb1e8b1a78327baa3564a8ff8227c74f52

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
SignatureOMe+sVx3DVIxhkrzTGDzofALBRBPTgg6OsUXjAuhPxmGKIDXIRUlTOyBLC0jOtduNzkq1mowViYsbqf/aJTYCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:56.791493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009219
observed b5c35e20a2003b13ac3b2e8fdfe25900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.771287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009219/manifest.json
observed 266f4395a562b9fb60072c312fe261bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.752694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009219/publication.md
observed c10b4c74ab5fd329dc885a5feba98e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.733169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009219/publication.txt
observed 1c6b7fbb92628b0cc5eb4205fba7334a...
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.