OpenTechnical

OT-2026-000040744

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000040744) never changes.

Identity and time

Publication numberOT-2026-000040744 · never reused
Internal UUID01a0ae79-6d0f-716b-8b70-ef8ec888b44d · 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-2026-000040744
StatusPUBLIC

Content hashes

Canonical text258b1af73740e47fee42969de69cd5ee48da6e1d603458332edf638b4344a295
Markdown89c688ae516331c39b6bfba55ebb6a246e9aaa6f1e0ef4c2d5d2295fc90b1609
PDF
Publication page49b859908df2117596dd9efe8fa760bad9010990d32656f086ac07f3741ea37e
Manifest608ab72aebaeb49074ddaa0b52b91205a526adc47181cc87d8bcacd83a1bfb31

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
SignatureinatYLZZWil71YaDlgD7peasUUWKsbp+jN54o73nvnKgNXwd1m7rNkw9sR+uCFr4c9LMBnLk90sT99cEAyr/Dg==
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

2026-09-17T11:18:01.154953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040744
observed 49b859908df2117596dd9efe8fa760ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.136067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040744/manifest.json
observed 608ab72aebaeb49074ddaa0b52b91205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.117986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040744/publication.md
observed 89c688ae516331c39b6bfba55ebb6a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.098454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040744/publication.txt
observed 258b1af73740e47fee42969de69cd5ee...
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.