OpenTechnical

OT-2026-000010917

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000010917) never changes.

Identity and time

Publication numberOT-2026-000010917 · never reused
Internal UUID01a0ae6c-540d-7978-b497-27850d3ccb0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010917
StatusPUBLIC

Content hashes

Canonical text1ac5d9cf42e1c195d41a31a622303d783ca13191745cd3ee1c4b4c408fafb239
Markdownbe62fc45715aad28afebc28ce6eeb1388fc8ec508d6d6e30224abe64381d2aba
PDF
Publication paged794f7859d92c3d622324d528a712eabfe406181c794df0abb4765968467674b
Manifest91102a2ad68c9d1ae4826c47e7342904a84bb2ed99cde49d46b387082b3acec7

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
SignatureR+c+QBk3eDeJZGlYWO6MLN+aRBGmL+Makm0xlj85UAK4DsuEp0tenYdJQL527sTW4uPgsKlFxOcmxSE5650/CQ==
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

2026-09-17T12:13:41.764899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010917
observed d794f7859d92c3d622324d528a712eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.744434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010917/manifest.json
observed 91102a2ad68c9d1ae4826c47e7342904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.724037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010917/publication.md
observed be62fc45715aad28afebc28ce6eeb138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.703028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010917/publication.txt
observed 1ac5d9cf42e1c195d41a31a622303d78...
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.