OpenTechnical

OT-2026-000100904

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100904) never changes.

Identity and time

Publication numberOT-2026-000100904 · never reused
Internal UUID01a0aea3-c376-7ec4-8eb2-dabf6155aad9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100904
StatusPUBLIC

Content hashes

Canonical textff783587e6e1674029706e4d8a8b7d94830ed06c4959f56a9677254fb4ec9b85
Markdown2481087ca63b644fa680f97bf66f8608d444c6371b7b8daff34c287aececf3ed
PDF
Publication paged321f346ce652338e9310299e1a076832c02d0e39ea13dd45976d43fc1c91937
Manifeste71211bbf3c938e7b2232a044ddf98099bff199d10ec807bcaea84b1cd7dcca2

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
Signature+3am5B7JSXgl4AZEmzPo9J970+xLfH+7xdkqUCwFETsj2sv9xe41wNYOx+FaxQCHNmA8oJUJDg5ycvtR1N+uCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:24.016888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100904
observed d321f346ce652338e9310299e1a07683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:24.000794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100904/manifest.json
observed e71211bbf3c938e7b2232a044ddf9809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.983841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100904/publication.md
observed 2481087ca63b644fa680f97bf66f8608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.966900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100904/publication.txt
observed ff783587e6e1674029706e4d8a8b7d94...
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.