OpenTechnical

OT-2026-000076238

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000076238) never changes.

Identity and time

Publication numberOT-2026-000076238 · never reused
Internal UUID01a0ae94-6a6f-7b6a-9ec3-a61a863d9453 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076238
StatusPUBLIC

Content hashes

Canonical texta73b1346915d30d8ee913cfa4b52a8700754a8351b2bfb4b44dfa50cbf4adbc3
Markdowna3e09412b442d6ec99159db674fa8a2a3a641563fccb600eb860d0dbd63ecb3b
PDF
Publication page857f79eae8725e725b108077d3ced84b17e5d4f3d56907eca8aeaa4c6ce10c62
Manifest34119bf96e47a83fee98631a5bc2f133fef0ce9aa8629575bbe8195367f94100

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
SignatureEidBBaL5MHXiBPnPpiohTIf1IYZCUsWfwsSqm7P3G3kWJ75KisxrWpcazJYFo+uqXWPcBeQir/FiR+hzlIYFAQ==
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

2026-09-17T10:11:42.715166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076238
observed 857f79eae8725e725b108077d3ced84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.692001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076238/manifest.json
observed 34119bf96e47a83fee98631a5bc2f133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.298480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076238/publication.md
observed a3e09412b442d6ec99159db674fa8a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.280939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076238/publication.txt
observed a73b1346915d30d8ee913cfa4b52a870...
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.