OpenTechnical

OT-2026-000101590

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed blow-off 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-2026-000101590) never changes.

Identity and time

Publication numberOT-2026-000101590 · never reused
Internal UUID01a0aea4-0e15-7a17-9a46-a081589c3d7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101590
StatusPUBLIC

Content hashes

Canonical text69728cc73e833a23e52f5b32e46d1479cb6b937bb4fff762c6f67bf07db00ced
Markdown070f27a91941913a8904a0eb9c4a9ba0152262aa4fbbea67704584e172db9d06
PDF
Publication page2c8608f71c7dcc4547d71644902d61a59b0fab5e7b37ff18228effcc1a2e14e9
Manifest2b1a74c654b1a644fac77af4b9cd7ebc2528590a60aef5dd629681f9a9ab8567

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
SignatureJQKrxa6pbncA59CEK/cmEJixfdzYJAvHxUtUp9REi0mY+6g8tCyPCXAjhtY543vjtaG7U7V6GSVIlNjJga5iCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:41.747746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101590
observed 2c8608f71c7dcc4547d71644902d61a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.729483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101590/manifest.json
observed 2b1a74c654b1a644fac77af4b9cd7ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.711764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101590/publication.md
observed 070f27a91941913a8904a0eb9c4a9ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.693535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101590/publication.txt
observed 69728cc73e833a23e52f5b32e46d1479...
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.