OpenTechnical

OT-2026-000041623

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000041623) never changes.

Identity and time

Publication numberOT-2026-000041623 · never reused
Internal UUID01a0ae79-e8a0-7898-9815-891db02f8d67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041623
StatusPUBLIC

Content hashes

Canonical texta6acea0d141b1b2135ef927db72538b89e254db6efae07013307b0956b1c6383
Markdowndc0aa1884a044b4014869015d207b0bd095bed278a3a5cafcbf6df7b489cd0b3
PDF
Publication pageaa37f3f0d8eaacb5d207741d70e7f3c355f0ff26dd6dcca69a2cd384bb8f3e70
Manifest713fb92d10bbd1c4c59d0b520612deaf09a198cbe4d904e744bf016c05015f26

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
SignatureXaQrHTAoEwpp8QSqvFLNcTvpCkmRjfp7fWNBGVYhIf5Q1hTOlZM7L3gnmLuPyA54IVnXKYAevOR8+MhuieC+BA==
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

2026-09-17T11:16:25.220980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041623
observed aa37f3f0d8eaacb5d207741d70e7f3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.203395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041623/manifest.json
observed 713fb92d10bbd1c4c59d0b520612deaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.186786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041623/publication.md
observed dc0aa1884a044b4014869015d207b0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.170829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041623/publication.txt
observed a6acea0d141b1b2135ef927db72538b8...
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.