OpenTechnical

OT-2026-000004367

Publication integrity record

Vacuum cup gripper, six 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-2026-000004367) never changes.

Identity and time

Publication numberOT-2026-000004367 · never reused
Internal UUID01a0a915-59d6-73eb-b574-2abbde7fdcb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:19:03.897031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004367
StatusPUBLIC

Content hashes

Canonical text5b2f08c25e06a6051585b10b8cb44b9936beacbb50b01e2f446c15d4eacbc446
Markdownfb34c2a9b58965d0171ca8948f9b3911eda5dfe938d7c61d7718aceb45ca54b0
PDF
Publication pageecff33d2a3f4019aabead6f51260b3f94e79393f34fd987b8302f12d19cb8a24
Manifest09879e8776d09b06458fa381b1ad7497a4fc9c42623415a2160a81af805c9cd1

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
SignatureyjGuMp6JTxecHUzQf3Jad8OK2OHOo7OV6/JF1JpSB0Nrnw9Z6NU7YCQkJ260U8t8b8nvY0v0RjiencYm7AJ1Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:05.925366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004367
observed ecff33d2a3f4019aabead6f51260b3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.912903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004367/manifest.json
observed 09879e8776d09b06458fa381b1ad7497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.900254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004367/publication.md
observed fb34c2a9b58965d0171ca8948f9b3911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.886416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004367/publication.txt
observed 5b2f08c25e06a6051585b10b8cb44b99...
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.