OpenTechnical

OT-2026-000023175

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023175) never changes.

Identity and time

Publication numberOT-2026-000023175 · never reused
Internal UUID01a0ae70-7267-71a1-b3e6-018fdecb7d56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023175
StatusPUBLIC

Content hashes

Canonical text2f09e72c12384d69c65f38cc086da095187a3ddf9d5199f94baff17fbb6f410b
Markdowne727ad6e7a6a7230b2b520840308fd254298a679d0285d200d0374d64772e6c1
PDF
Publication pagecb37c7ec4374fbf11916ca6c84cc4a62a7121043a732381a9e1970e3825c998c
Manifesta15abaabc77cf4bac212b81d7bb1d1fcf0ca10d8c01f0ce26bb0336584878002

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
SignatureMIzDCZ5H0wxy/181RC1EmhvBxC1fPjsi1Eg+3fsGQZ9v1rJ8XwQhedsd8TB4A2Bq2mzvPIcpHJC4b270qBugAg==
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

2026-09-17T11:51:07.238000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023175
observed cb37c7ec4374fbf11916ca6c84cc4a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.217706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023175/manifest.json
observed a15abaabc77cf4bac212b81d7bb1d1fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.197169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023175/publication.md
observed e727ad6e7a6a7230b2b520840308fd25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.178578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023175/publication.txt
observed 2f09e72c12384d69c65f38cc086da095...
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.