OpenTechnical

OT-2026-000049656

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000049656) never changes.

Identity and time

Publication numberOT-2026-000049656 · never reused
Internal UUID01a0ae81-8fee-7692-8f94-9d9f804d0223 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049656
StatusPUBLIC

Content hashes

Canonical text7a0b2a28c78b3adedeca376613c367f894dd18cd6445de58723d2ba01f6b00d5
Markdown398cd0d0875d47b39d34fe44810cb5841f5d018529c96332e7a35e41b03bb0b4
PDF
Publication page7eda44bdbade92db379dce01deaf433c0ed5771a05eaf9e6895e40982f023898
Manifestcad3c79bf7413423bc391f6f9ef9046952663a1a6f971b210d68114d5ed915b1

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
SignatureAvyvPatoYbmEuhxAtQoTiqpW7inj1JSqOqwmF9Q7oy7TP+OgMVTcb6LYlEapg49MFSpLfCo0tuZ5WhuRQLfhBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:39.407866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049656
observed 7eda44bdbade92db379dce01deaf433c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.389585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049656/manifest.json
observed cad3c79bf7413423bc391f6f9ef90469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.372301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049656/publication.md
observed 398cd0d0875d47b39d34fe44810cb584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.354709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049656/publication.txt
observed 7a0b2a28c78b3adedeca376613c367f8...
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.