OpenTechnical

OT-2026-000064640

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000064640) never changes.

Identity and time

Publication numberOT-2026-000064640 · never reused
Internal UUID01a0ae8d-deb8-7c57-93a5-359044a10dd0 · 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-2026-000064640
StatusPUBLIC

Content hashes

Canonical textb79db5ac14146e2e3c02fbd5d0ec6ff43a4dcc4fb9095484baa092cf537d2ad1
Markdownef1ed048b9c37d2829308192dc15e1bc35a188f71bef9e501d3fb156e5b0ebf7
PDF
Publication pagedb67b7c1b7f034d2c35ac1485b9d726f574607c6926b94f31633c42af565d0a2
Manifest2850f22e81e7e353571d376dba09d6d6f2cd18acbff3f2e884e7f2d11b8304a8

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
SignatureUAMOdIsqvp2GVFRXPYrGHzpoC5PFDypZgcmzjX92eMZk5CqW6jvFGqdrTO+db39rQoHaV5EaiLVaVPo0ouu2BA==
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

2026-09-17T10:35:25.437528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064640
observed db67b7c1b7f034d2c35ac1485b9d726f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.418618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064640/manifest.json
observed 2850f22e81e7e353571d376dba09d6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.400400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064640/publication.md
observed ef1ed048b9c37d2829308192dc15e1bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.379293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064640/publication.txt
observed b79db5ac14146e2e3c02fbd5d0ec6ff4...
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.