OpenTechnical

OT-2026-000067765

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000067765) never changes.

Identity and time

Publication numberOT-2026-000067765 · never reused
Internal UUID01a0ae8f-c4fa-72df-a5c9-be709904a42c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067765
StatusPUBLIC

Content hashes

Canonical textfe87dd79ae2cc632eeb32e397dde794a7f7833d37e498094f8be4d96cee573d2
Markdownb89b471a76db8be83128edddd417e8264ee12f0cf47e6d036cb757144930e851
PDF
Publication page41930b0b95ad43262a496f04ed7abdf533b7aff00d71f042d0de889984f060f1
Manifest798eea94c5e78ca74ae8b6420b85fc341ec744b23f2967cf0ed07fb8b40c7dc4

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
SignaturenvpOabD1F/UwDHlYOAu0kI6aX1lJG3V86BY3rMrbnIrjNAfPwlasTrsW7CsmVNkwULvkuB6UgnNTvoRji9LVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:59.643624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067765
observed 41930b0b95ad43262a496f04ed7abdf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.625499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067765/manifest.json
observed 798eea94c5e78ca74ae8b6420b85fc34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.606707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067765/publication.md
observed b89b471a76db8be83128edddd417e826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.587512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067765/publication.txt
observed fe87dd79ae2cc632eeb32e397dde794a...
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.