OpenTechnical

OT-2026-000040781

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000040781) never changes.

Identity and time

Publication numberOT-2026-000040781 · never reused
Internal UUID01a0ae79-6d0f-7137-9d19-2aa22c6cef1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040781
StatusPUBLIC

Content hashes

Canonical text5794d05435a15ad418df0f627488f21a875bd404c9a1d94730c025c6019452be
Markdownc6839f8ad2583ab108f79849e3d18d1265d21d31a645de987730eedd82d5b5dc
PDF
Publication pageacd9ccac8c8b87f0cba47c89d1abdd833d40cc40ed52617d7737c585e6cd38cc
Manifest9eddf40c98b0b6d91490a2a0fcd90bbb9dcee638aa3bcff07ac4fd94bb67182a

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
SignatureS1g/y4TVVE24qgLwBojwXtG2jCUxgEma2BPyKdS5lyCdGo2V0DbbHuEFBxdyThZYuEQPcNOC9mng3xDckRtpAw==
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

2026-09-17T11:20:05.119759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040781
observed acd9ccac8c8b87f0cba47c89d1abdd83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.102096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040781/manifest.json
observed 9eddf40c98b0b6d91490a2a0fcd90bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.084428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040781/publication.md
observed c6839f8ad2583ab108f79849e3d18d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.066856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040781/publication.txt
observed 5794d05435a15ad418df0f627488f21a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.982146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040781
observed acd9ccac8c8b87f0cba47c89d1abdd83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.964507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040781/manifest.json
observed 9eddf40c98b0b6d91490a2a0fcd90bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.945360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040781/publication.md
observed c6839f8ad2583ab108f79849e3d18d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.928484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040781/publication.txt
observed 5794d05435a15ad418df0f627488f21a...
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.