OpenTechnical

OT-2026-000039253

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000039253) never changes.

Identity and time

Publication numberOT-2026-000039253 · never reused
Internal UUID01a0ae78-9674-75b0-86c9-c5d5e2fef8be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039253
StatusPUBLIC

Content hashes

Canonical textdf441a927f6279b851d4e352ece77b53cf016a40560d5e2322991cae1548fc55
Markdownc09907c83e8ffdc0d86d1d8c1ce0f8dbe1d8a6dd5d16dd04b11f6e1e3e7a6865
PDF
Publication page1eb4d21cdf478f52e1bb14fe1323c76822b391c902321c6b28741cb392385c23
Manifest1a80b496e3418a19408732a90b68313d465913aa46714359487aebceeabbde88

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
SignatureM7fg2Rrzlj7Gfo0xadUl39wP9G1VtUnPo7npY3O6RBD5sJ7KWExQhcsg2Q1CFqCHvM/av9vxFPs7sj2KlZfGAg==
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

2026-09-17T11:20:48.794313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039253
observed 1eb4d21cdf478f52e1bb14fe1323c768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.777787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039253/manifest.json
observed 1a80b496e3418a19408732a90b68313d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.760663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039253/publication.md
observed c09907c83e8ffdc0d86d1d8c1ce0f8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.744067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039253/publication.txt
observed df441a927f6279b851d4e352ece77b53...
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.