OpenTechnical

OT-2026-000078482

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000078482) never changes.

Identity and time

Publication numberOT-2026-000078482 · never reused
Internal UUID01a0ae95-7c28-7c63-98c6-80a7407a1c42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078482
StatusPUBLIC

Content hashes

Canonical textaacb21d01a3feed7f00eba00435119e6b3c8e48f55ce746f4525847989d00850
Markdown8e69228e11cd0931156cc01a812d997d2839f56fdd88b555e60c332bf9c9726c
PDF
Publication page50395be7224790fa6260f5a9aba4156f2e8f0922463a191485048b7ac9a20c23
Manifest90808378be28c96aa4b725be3fbb7aa635469939afe9f93f484e1fd54bf74ec4

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
SignatureyHfb8cJi+xMIVHchGc8FXVwXYSz/TKrIz3aJ3lZdasA0c9ldiUfl7Ar7FlTYpygqzN5IJef+dyROO+9qQ0PxDw==
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

2026-09-17T10:06:29.541693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078482
observed 50395be7224790fa6260f5a9aba4156f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.520550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078482/manifest.json
observed 90808378be28c96aa4b725be3fbb7aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.502580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078482/publication.md
observed 8e69228e11cd0931156cc01a812d997d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.483120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078482/publication.txt
observed aacb21d01a3feed7f00eba00435119e6...
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.