OpenTechnical

OT-2026-000064597

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000064597) never changes.

Identity and time

Publication numberOT-2026-000064597 · never reused
Internal UUID01a0ae8d-deb7-7496-947f-9d6838152aca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064597
StatusPUBLIC

Content hashes

Canonical textef02fac0c1d88e1d9fcd0167b1272eba3aafddb15f9f542b2eaf5700a7aae4ed
Markdownc1d2642c251f9826837198471e11730f0da61b304280ae09b6c338cce8de7476
PDF
Publication pagecc17257017132289c35ff1446d60a3a8dc7f055c98c903f8a5deefd9cd81f1f9
Manifest9f53e69c7a45a6cd27ef99b5a546fff46441aff3ff037c2bc658e86b8abaafe9

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
Signaturec9TXOPpcH3jLQq+Z0Br6Xd96gCSARw9dipcWoPLfTXe8NVhg6p34pKWzNO+6WO+1IF7e7Zk7yEq2Vpgl1k9KAg==
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

2026-09-17T10:35:22.241711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064597
observed cc17257017132289c35ff1446d60a3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.225458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064597/manifest.json
observed 9f53e69c7a45a6cd27ef99b5a546fff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.208583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064597/publication.md
observed c1d2642c251f9826837198471e11730f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.191213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064597/publication.txt
observed ef02fac0c1d88e1d9fcd0167b1272eba...
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.