OpenTechnical

OT-2026-000091347

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091347) never changes.

Identity and time

Publication numberOT-2026-000091347 · never reused
Internal UUID01a0ae9c-f16c-76c3-9752-b12f8df7e818 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091347
StatusPUBLIC

Content hashes

Canonical textcb4d73060b2ac4453db8ea7a63768e452593f318b28455ba23ae4bd78ff25146
Markdown3f1dc6c4a6b5cebd063a332fd7aacde35e436078b596413f438c053cf628351d
PDF
Publication page6f64bace5828c65cace24f5dda16035de56689a9073e9533ac3fb56cdffc9330
Manifest15f77d29202ff4895b16bcad777af57fa9dc120a8f7de63e533ead393cd6a5f5

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
SignaturevE9FsKxpC3wfivR/tX4uxFI4gibFRGUYI18ID82W5rbIY5NlZ7Gflp+3KydIo3bleXrVBufqpWi/D+nILdI+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:33.479114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091347
observed 6f64bace5828c65cace24f5dda16035d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.462501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091347/manifest.json
observed 15f77d29202ff4895b16bcad777af57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.439184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091347/publication.md
observed 3f1dc6c4a6b5cebd063a332fd7aacde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.419584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091347/publication.txt
observed cb4d73060b2ac4453db8ea7a63768e45...
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.