OpenTechnical

OT-2026-000039292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000039292) never changes.

Identity and time

Publication numberOT-2026-000039292 · never reused
Internal UUID01a0ae78-9674-749b-a094-289caaaa5ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039292
StatusPUBLIC

Content hashes

Canonical texta156c65ab31054457f77b9a4e9c1152a007bf1004605d8f3caf9643ce2806634
Markdown728fa2375a62b166f47f50495ad25514a31c53a32c3f7effbf463d098c1bfa6c
PDF
Publication pagea67cb0c9624dd608cde67db9c95488e1a09f0772f3d6fa11968b98d37b7bacee
Manifest09d97e876edd7c339604716221ea79efa22539d301de1c47d89482f6560c6013

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
SignatureR5c/73Cn7RQePGnnxsvervHjnMjrwvRU07nU+G2ewR88OxINEFdvDdFIZVuqdQmyX9DFD2QcBtrK9yiYfQfoBg==
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

2026-09-17T11:20:52.193194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039292
observed a67cb0c9624dd608cde67db9c95488e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.175103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039292/manifest.json
observed 09d97e876edd7c339604716221ea79ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.157875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039292/publication.md
observed 728fa2375a62b166f47f50495ad25514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:52.140143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039292/publication.txt
observed a156c65ab31054457f77b9a4e9c1152a...
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.