OpenTechnical

OT-2026-000041590

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000041590) never changes.

Identity and time

Publication numberOT-2026-000041590 · never reused
Internal UUID01a0ae79-e8a0-7269-acce-a4a1dfe1566d · 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-2026-000041590
StatusPUBLIC

Content hashes

Canonical text9a3ca3a483228fd5f245cea4160060a4ef6af9669038b47e1512510f917762a9
Markdown477398b312acaf25f58016227f4d7dcd01422dbbb77db071f1adfd51f616c5e8
PDF
Publication page64ea6d1d2b8b9f67797676bd83423ea46a1b6fa89c62e05813ee56346a47b9b6
Manifestc52ab610caa91a8d50aae24904d726c3e06edbbdd20586d6b52aea4117684b59

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
SignatureEKPawC/NseATr46ywinI2hYK1eE/zw0Crt/VieOrIDfKSpSZBABvQXH7ESuMsccNcDRPOFXj/WwJp4yHEKk+AQ==
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

2026-09-17T11:16:22.758651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041590
observed 64ea6d1d2b8b9f67797676bd83423ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.740471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041590/manifest.json
observed c52ab610caa91a8d50aae24904d726c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.722061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041590/publication.md
observed 477398b312acaf25f58016227f4d7dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.703561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041590/publication.txt
observed 9a3ca3a483228fd5f245cea4160060a4...
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.