OpenTechnical

OT-2026-000090148

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000090148) never changes.

Identity and time

Publication numberOT-2026-000090148 · never reused
Internal UUID01a0ae9c-428f-7fef-96f0-10d444037851 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090148
StatusPUBLIC

Content hashes

Canonical textf375643cedc2ecf102926ce6e15a0a364574da96ca1841a9ee09c5b8c78142db
Markdowndb4569b9f821027dd64ebcfd28a5e228948ef66e8355ea9561523859a53d71f3
PDF
Publication paged586b4af54b75a51c77b4f217635208bdf213571aea4a56d197d14d2cd3c3ec8
Manifest39a93971f4c72fd1f296743cb31a7de144b1bd9eeefab4111bbcddaaae95d1f0

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
SignatureDt2w7u+e3kztkipUd9rWBs1OAEORdPNc29N+yf9I/yLfVXjJxLc18C/lzCpnViTQt47HYX3AFtCfweJBH4PwBw==
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

2026-09-17T09:45:39.576295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090148
observed d586b4af54b75a51c77b4f217635208b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.557444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090148/manifest.json
observed 39a93971f4c72fd1f296743cb31a7de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.539065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090148/publication.md
observed db4569b9f821027dd64ebcfd28a5e228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.519192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090148/publication.txt
observed f375643cedc2ecf102926ce6e15a0a36...
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.