OpenTechnical

OT-2026-000034819

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000034819) never changes.

Identity and time

Publication numberOT-2026-000034819 · never reused
Internal UUID01a0ae76-1ed3-79f9-908a-aaac56fb6d85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034819
StatusPUBLIC

Content hashes

Canonical text9bbf40c186fa19d8213e140996d8eb70e92b7f35a674103cc6e4a51950ae035c
Markdown72d952b6e9290975e2f42f3e2abea6e0f4b93be97279a7f9a6e4126565a483b6
PDF
Publication pagec7e129f7ea72ff0c229559fc0ff559a442fe64700cd0477a0d13c445031ce023
Manifest3cfa2588bcb6703f90b23b95de0a3c78f456a29fdc6c2d789dce76e7c6a4d3ff

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
SignatureODLwohYWygckBIrY1fHyOSq20giEnAeuSskQOFUZM98r9KcpmmDUN/pJNEFO5wMIErUWC0OrA52orcJ5p6hfAQ==
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

2026-09-17T11:30:20.090199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034819
observed c7e129f7ea72ff0c229559fc0ff559a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:20.068775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034819/manifest.json
observed 3cfa2588bcb6703f90b23b95de0a3c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:20.043981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034819/publication.md
observed 72d952b6e9290975e2f42f3e2abea6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:20.021586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034819/publication.txt
observed 9bbf40c186fa19d8213e140996d8eb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.267602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034819
observed c7e129f7ea72ff0c229559fc0ff559a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.248976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034819/manifest.json
observed 3cfa2588bcb6703f90b23b95de0a3c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.232222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034819/publication.md
observed 72d952b6e9290975e2f42f3e2abea6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.214691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034819/publication.txt
observed 9bbf40c186fa19d8213e140996d8eb70...
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.