OpenTechnical

OT-2026-000071892

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000071892) never changes.

Identity and time

Publication numberOT-2026-000071892 · never reused
Internal UUID01a0ae92-47c0-73db-a11e-ba3c9c242ed6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071892
StatusPUBLIC

Content hashes

Canonical text15805af9b8cafeed0f5483b99d4a8cb3e960a49bcb3a6b9c4c0e578a1cbde9ba
Markdown4c9d98badf1c256fc6459d09826b22fbfe3a4003c4d0f4d3e4472efef1d46d32
PDF
Publication page5aa9c131092147e33fa5552107219dacc54447adb4d6efccfc2ae0e5e469c518
Manifeste53a8d72fd3a9e4dd5c138eb839c4b10afa348d30383599f18b4813d48486580

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
SignatureNv/PZetb8ludcFpa4c5lyPpNLx2S7rGXsy5k+Vdtts5E4qXXfRQkl5spGt+OJ1nsAM3wghgh7OCGbgWqYnsWDA==
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

2026-09-17T10:22:54.374210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071892
observed 5aa9c131092147e33fa5552107219dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:54.354818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071892/manifest.json
observed e53a8d72fd3a9e4dd5c138eb839c4b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:49.371691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071892/publication.md
observed 4c9d98badf1c256fc6459d09826b22fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:49.303904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071892/publication.txt
observed 15805af9b8cafeed0f5483b99d4a8cb3...
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.