OpenTechnical

OT-2026-000004786

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, four outlet manifold, plant vacuum fed

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-2026-000004786) never changes.

Identity and time

Publication numberOT-2026-000004786 · never reused
Internal UUID01a0a923-5026-77a9-bf5c-b6628fa7f696 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:34:18.921386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004786
StatusPUBLIC

Content hashes

Canonical text1e6d7f0f24520131d2c908f736ae2408da1aead891ee3cdf85b1cfc0bc069353
Markdowna59a2c8cb183bc48300bf544f1f42979b4b187fe0c60af944d123d52c0106def
PDF
Publication pagede2e54baad2b772c6d1e642af8d3c3f5b5ce07d9d3d67defbfcccf14f11e7e75
Manifesta84fee2ac49da5fcbe8d1ef091703c8c6c7c236d9d17f9316649c5d8f98b3424

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
SignaturemPJKynfqHsF2lMI2sc2SfhX1I1q3qp2O1Jylh83vuVdXVxjzamYx4fSqCFIv2769ugAMMFgEaRSqgcSX8sftDA==
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

2026-09-16T07:40:19.152587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004786
observed de2e54baad2b772c6d1e642af8d3c3f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:19.137324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004786/manifest.json
observed a84fee2ac49da5fcbe8d1ef091703c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:19.121006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004786/publication.md
observed a59a2c8cb183bc48300bf544f1f42979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:18.991369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004786/publication.txt
observed 1e6d7f0f24520131d2c908f736ae2408...
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.