OpenTechnical

OT-2026-000060315

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000060315) never changes.

Identity and time

Publication numberOT-2026-000060315 · never reused
Internal UUID01a0ae8a-5a75-7556-b513-1740426d05d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060315
StatusPUBLIC

Content hashes

Canonical text06cb51400c2d2b2cb50da8c8f1e823dd81dae4a0bff5b409e1a71d5c80d344bc
Markdownce5acb3431e4fe0f09633b967254d59135bc20b908c89bb0895572965f1195d3
PDF
Publication pagef8128192a6c827575ad47023d0e9b7f5420b726224c7b97c6e178e76545a5903
Manifest517cb9e743ca9e913d4a6f3724561344bf4d1e4d42f6e02802375e7e2d2bce03

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
SignatureopEWGX0WKauRcG1tvUC3uCNHQ5cEQccKda5LqPCA3P2YF3/KP03lrdkTzXmbh2h3KZdBf1IO0rkeSdKt21wtCQ==
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...

Independent retrieval

2026-09-17T10:44:01.523376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060315
observed f8128192a6c827575ad47023d0e9b7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.506044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060315/manifest.json
observed 517cb9e743ca9e913d4a6f3724561344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.482686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060315/publication.md
observed ce5acb3431e4fe0f09633b967254d591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.459510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060315/publication.txt
observed 06cb51400c2d2b2cb50da8c8f1e823dd...
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.