OpenTechnical

OT-2026-000053846

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented before 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-2026-000053846) never changes.

Identity and time

Publication numberOT-2026-000053846 · never reused
Internal UUID01a0ae85-735d-7c76-8c21-78d8695b3cb4 · 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-2026-000053846
StatusPUBLIC

Content hashes

Canonical text132a6b44a5b0719a524218561fffbd1f23ef68b16eee15ad6702858f8b2c1b06
Markdown27c6081e47e803ff7047cf40a255e8d09f1939e538cc8c7e8c971cbf748eb760
PDF
Publication page204256b169bb1fad12f6e807de3c7ecd211e6577081eb63ea808f426f9c16cae
Manifest6b450319f4122f564f7c3f9b2cb8efe0ee6a07ff9d907d896e8158e691836e84

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
SignatureIQIhQplGotwQ8lSux9QxEcpeTlaFVkfbgKT5auOzm6gnpo2J9WM9EoH1W7KF/UMF0z7I2rySNcthUTS9OOCuBw==
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

2026-09-17T08:40:35.930094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053846
observed 204256b169bb1fad12f6e807de3c7ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.912087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053846/manifest.json
observed 6b450319f4122f564f7c3f9b2cb8efe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.892664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053846/publication.md
observed 27c6081e47e803ff7047cf40a255e8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.873290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053846/publication.txt
observed 132a6b44a5b0719a524218561fffbd1f...
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.