OpenTechnical

OT-2026-000100991

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000100991) never changes.

Identity and time

Publication numberOT-2026-000100991 · never reused
Internal UUID01a0aea3-c377-763d-92f5-b0e35b5adf78 · 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-2026-000100991
StatusPUBLIC

Content hashes

Canonical textb96c01f0d48514144ab1f0c1acfeba5f25bb6fed74ad9bd192c888be04a73be4
Markdown23f5095924d365df3803c129604ccadc8fc3dcbdb11be76873b7152c1dda0779
PDF
Publication page30dd45a823943dcede62cd2ee2cc790d3df03060dc7781698531ae629d028b7b
Manifest0dba29cb977236f549fb3560b14eb69c91a1c156b497c53e6538becd5b108dba

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
SignatureAPQO/JXsfeMVOZl6j40Oe13IUP6N6LX89IDW1RQUlYEJ9SeJJTD2G4bLCKr1YE3nleAqVbjH+Gu0Z49LJtdPBg==
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

2026-09-17T09:26:35.375207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100991
observed 30dd45a823943dcede62cd2ee2cc790d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.357787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100991/manifest.json
observed 0dba29cb977236f549fb3560b14eb69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.340643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100991/publication.md
observed 23f5095924d365df3803c129604ccadc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.322474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100991/publication.txt
observed b96c01f0d48514144ab1f0c1acfeba5f...
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.