OpenTechnical

OT-2026-000009004

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000009004) never changes.

Identity and time

Publication numberOT-2026-000009004 · never reused
Internal UUID01a0ae6b-31b8-781f-8104-cbb8cd8b09da · 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-2026-000009004
StatusPUBLIC

Content hashes

Canonical text4a36d0e623ed0707831ff99a18e13181b3970459487fb522ac4984a1dafbda82
Markdownfa8793136eb19296b4ee42c98009da560f17a9051c5410b926c61397375c0dc1
PDF
Publication page05a2c51ad42992b84a7fba19a0dc6d43000621c2e5498e7d8585f1bc2ae46182
Manifestedfd66d0da8fed25de8f75b5f4e3a49c1f4724ef492e119cca39b4f6ddb767fd

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
SignatureypZq56hkKO7MtmgYeMFOvpvybDFO4oCRqN5D4vVfR5xlpwKLdpU9xThT+DHr01PCkw6U9n2wEbKNSxUbWPxeCA==
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

2026-09-17T12:17:38.315096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009004
observed 05a2c51ad42992b84a7fba19a0dc6d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.295039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009004/manifest.json
observed edfd66d0da8fed25de8f75b5f4e3a49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.273939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009004/publication.md
observed fa8793136eb19296b4ee42c98009da56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.253194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009004/publication.txt
observed 4a36d0e623ed0707831ff99a18e13181...
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.