OpenTechnical

OT-2026-000006073

Publication integrity record

Porous face vacuum gripper, three outlet manifold, plant vacuum fed, contact triggered

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-2026-000006073) never changes.

Identity and time

Publication numberOT-2026-000006073 · never reused
Internal UUID01a0a94e-7055-7f19-9af1-ec69cb33cd3d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:25.207512Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006073
StatusPUBLIC

Content hashes

Canonical text1d3e0d089041421c38929401338bca0531cd9720d003cf41d450abcbcb6e17c5
Markdowna391c79db563d6c18487bcbd2c10d30122d991f79c8fba2e39f301e75f2550f5
PDF
Publication page0c44f13ccef6d29e66c0b227cee2eeb85926d2f60960541f628b8803fba8203d
Manifest9a83a4b8d648abbf36d42fc08c15eceec5cb28abe6fa6d8d95f2f6240640cb1e

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
SignatureeBX1N0SR+hSkykAEw46KFxP+au/HCPcG2bG/qfCNmOCF5ZF12Jt1I4VHa1F7fGFgRl1RgMkQCM+/rQC1g5keDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:30.488719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006073
observed 0c44f13ccef6d29e66c0b227cee2eeb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:30.476735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006073/manifest.json
observed 9a83a4b8d648abbf36d42fc08c15ecee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:30.463746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006073/publication.md
observed a391c79db563d6c18487bcbd2c10d301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:30.450459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006073/publication.txt
observed 1d3e0d089041421c38929401338bca05...
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.