OpenTechnical

OT-2026-000053761

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented before set-down

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-2026-000053761) never changes.

Identity and time

Publication numberOT-2026-000053761 · never reused
Internal UUID01a0ae85-735d-7212-b982-74ce82194985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053761
StatusPUBLIC

Content hashes

Canonical text2028b272c50a7a43a4da660a13d16b79db25fcb6e9344c95ba002ea3ffda9e60
Markdown7c6d268138b7e6861fbd120ff9fd79c0518d048a4619771c6c2d78b69ea5af96
PDF
Publication page5030949958d047320de62c2e00f775a29d9a1bdc39c6078d038f6a2c24a5ad2b
Manifest581455db48d56f1945d3de50db09f810534f5f41eda4e244b16256ca4026d429

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
SignaturemcsI0uTDOKKAixNl77RBfphFL4zNLgw56cPu4usp3whmg0Y04yC8P51UwjY7cXFgsN85r11oIcIbtlJXPe7dBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:24.003437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053761
observed 5030949958d047320de62c2e00f775a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.985925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053761/manifest.json
observed 581455db48d56f1945d3de50db09f810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.967227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053761/publication.md
observed 7c6d268138b7e6861fbd120ff9fd79c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.824733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053761/publication.txt
observed 2028b272c50a7a43a4da660a13d16b79...
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.