OpenTechnical

OT-2026-000077750

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000077750) never changes.

Identity and time

Publication numberOT-2026-000077750 · never reused
Internal UUID01a0ae95-2ed0-745a-9171-615c653a5efc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077750
StatusPUBLIC

Content hashes

Canonical texte5bc6c68deecd4273ac589019bde88b638ac365ae7b11f6c069cb82bc3a41066
Markdownf4900746641b3cdf71196831ffcea80b5348bbae08b8c5d26823c80e11edd8bc
PDF
Publication page6d01b02240392bb464f37bf252c8d08da0e6274240ec40d4b134e5a8443b18df
Manifestebbc6481e385e1a17acaca9c6a97ef85b4784cf152beccab3bff8d85c2f7798a

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
SignaturevYbAxI4qMDx5wUTZ9GxBt6jsBRa9IPtATcNoP5XzW96z+NVZiVIwoW3XNLRcnF7u62iGPzHu3yoiFt2RDaqpAQ==
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

2026-09-17T10:07:19.919907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077750
observed 6d01b02240392bb464f37bf252c8d08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.899627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077750/manifest.json
observed ebbc6481e385e1a17acaca9c6a97ef85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.881097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077750/publication.md
observed f4900746641b3cdf71196831ffcea80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.861311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077750/publication.txt
observed e5bc6c68deecd4273ac589019bde88b6...
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.