OpenTechnical

OT-2026-000055845

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000055845) never changes.

Identity and time

Publication numberOT-2026-000055845 · never reused
Internal UUID01a0ae87-0a49-7f77-9ef3-259aa5aea337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055845
StatusPUBLIC

Content hashes

Canonical textf5b8bcd282bea3e5d5ab23fb4527cfbce18427e8f016930ede82edf15b0adcd4
Markdown80b078f562ffcafbb2ea51cf49cd05f8f26297ca3446149b7e06e032fbe446e7
PDF
Publication page9601eec585d57b7e9c5659b8739536169a226d2f9eb7f544c14d317e8d7bdce9
Manifest3ad864dc59d7a2ce28a998d8aaa361a587ee07bee8733cc7531e4eaf91589d8c

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
Signature7pRdGoLHoCiagy72kP9/nV9rzT8qFIfhjN6WpFeY8OnEYAk6ltTuAZQ66Oc2wiItc7r00WVPOX9fz6VjatsXCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:14.053046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055845
observed 9601eec585d57b7e9c5659b873953616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:14.035726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055845/manifest.json
observed 3ad864dc59d7a2ce28a998d8aaa361a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:14.016740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055845/publication.md
observed 80b078f562ffcafbb2ea51cf49cd05f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.999284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055845/publication.txt
observed f5b8bcd282bea3e5d5ab23fb4527cfbc...
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.