OpenTechnical

OT-2026-000036489

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump 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-2026-000036489) never changes.

Identity and time

Publication numberOT-2026-000036489 · never reused
Internal UUID01a0ae77-46e6-73b8-8019-db7a239e60e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036489
StatusPUBLIC

Content hashes

Canonical texta40601b628033beadf48d9e219a3ca56f1f8430c77f083c367a3e15b18d8bb4d
Markdownaa02275ec4f088be0e8d2b147d2841f9ab0a2de5b99d17a4710f9759cd2d4bf7
PDF
Publication page84a0ea4888b5611b50205d595b045aed00db1f25d88ad32f965647cd897d9cfe
Manifest27473106bae072cd16424436beb6b0af224d51aa05df57a35b5d27e01d46080d

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
SignaturegplffLMdzUbUFr5ziqA9MPIOuOrLkWH5JQgQNu4oMqF3igSQK8AtpnOkTghDpBpMrIePb+edBohNbCJbmYeWCw==
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

2026-09-17T11:25:10.659158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036489
observed 84a0ea4888b5611b50205d595b045aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:10.641814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036489/manifest.json
observed 27473106bae072cd16424436beb6b0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:10.625799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036489/publication.md
observed aa02275ec4f088be0e8d2b147d2841f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:10.609539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036489/publication.txt
observed a40601b628033beadf48d9e219a3ca56...
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.