OpenTechnical

OT-2026-000064872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000064872) never changes.

Identity and time

Publication numberOT-2026-000064872 · never reused
Internal UUID01a0ae8d-debc-7cca-a184-2ecbe1eaa003 · 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-2026-000064872
StatusPUBLIC

Content hashes

Canonical textd790015437dedf4ff0b6861b1de36cf7504620ec58d878a7653635a0a4cf11b6
Markdown0b3f045975954c3c307ab3a657c2c3b0fc1086a80ff6858455e24c43d329251f
PDF
Publication page97dfa680882eb27b3512b8d3426dbbbbb306188f7e5420c44285b86bd7fd8e70
Manifest1eef61cce974cb0aa0799428a40fed97d2eb7efa9eebe4b6ea5055d05f03da68

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
SignatureYrAR9DSJDNy2T1NFlEnbJLoRanaHjcU+5FjoFF0ZT72ff/S2+YWzktcnit+DEOF7K/OjrNgKqo/RP3e0zz8EDQ==
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

2026-09-17T10:35:47.597111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064872
observed 97dfa680882eb27b3512b8d3426dbbbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:47.578866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064872/manifest.json
observed 1eef61cce974cb0aa0799428a40fed97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:47.560933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064872/publication.md
observed 0b3f045975954c3c307ab3a657c2c3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:47.544698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064872/publication.txt
observed d790015437dedf4ff0b6861b1de36cf7...
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.