OpenTechnical

OT-2026-000004856

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, contact triggered, 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-2026-000004856) never changes.

Identity and time

Publication numberOT-2026-000004856 · never reused
Internal UUID01a0a925-84cb-7d04-8c99-5aa0cf079897 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:36:43.471011Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004856
StatusPUBLIC

Content hashes

Canonical text0a261855c5a77101c8ddf1131325d3f89baf62cb8b42018b53c18c57486627f0
Markdown24f5a1d8d2d304b8225c4b2affcb58c4cea8ccacc65eaa5b8fcc44e3be9b7268
PDF
Publication page1cacd00e7560eacbe9cd3c5a8deb7b702cbc19cbb073746c7b9fbbb5c004c14c
Manifestae983212a51f202c7497c0c28f5d9ad58f6a3dd7a7be753767338f21b5ab6945

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
SignatureX6MDcszuyUXsyTgZxxDlA0za3LweO4s6Ff8cExfRLfnbp+mcEpx+beBDtPZW1bS/eb6/f38LHSQRjVoZnMzRDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:11.666965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004856
observed 1cacd00e7560eacbe9cd3c5a8deb7b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:11.656277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004856/manifest.json
observed ae983212a51f202c7497c0c28f5d9ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:11.643297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004856/publication.md
observed 24f5a1d8d2d304b8225c4b2affcb58c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:11.629627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004856/publication.txt
observed 0a261855c5a77101c8ddf1131325d3f8...
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.