OpenTechnical

OT-2026-000029657

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029657) never changes.

Identity and time

Publication numberOT-2026-000029657 · never reused
Internal UUID01a0ae73-5e23-734b-ba61-1f578304671d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029657
StatusPUBLIC

Content hashes

Canonical texta3a568763441eee4b34b2cbd9bf94c52a1f512558fd75a6cff318504c38378fe
Markdown5fad079541d2e6f9d95bb055b7010553b8e4c9ff84a8c3c3c3a647ed02662ec3
PDF
Publication page86e2563f21161eb6502ffd8466e5b6ac7db0a1003e67a76d86cef175dd3e329e
Manifest278d8654a8bf1f6918407638579a5af50c6fd963f368400ca82566d59d310c6b

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
Signature66HuxufCwCgxqK9gsQmas16vpV6z5vO3OXc/bj/KjIyMBtd7ym7So6ITleaAdJMGro7hkL1DIwAswM3mgMw/Cg==
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

2026-09-17T11:39:22.346279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029657
observed 86e2563f21161eb6502ffd8466e5b6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.323323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029657/manifest.json
observed 278d8654a8bf1f6918407638579a5af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.302575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029657/publication.md
observed 5fad079541d2e6f9d95bb055b7010553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.284713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029657/publication.txt
observed a3a568763441eee4b34b2cbd9bf94c52...
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.