OpenTechnical

OT-2026-000023187

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-2026-000023187) never changes.

Identity and time

Publication numberOT-2026-000023187 · never reused
Internal UUID01a0ae70-7267-7323-abfc-5127c346308d · 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-2026-000023187
StatusPUBLIC

Content hashes

Canonical text8f42f09a3cc6034857740636d431ed10563f104acf0f3233d44e51cc3f266299
Markdown92bb233e6bfe1e040b82c1780d96b6851ebca04ab983dc044ea97c815d7e6589
PDF
Publication pagec5fecdde967a42c0f91e52c2bd7f5597de4c8f64bcf6bbc611feb2e5d6a03aa4
Manifest651d5aa0dc0b751f94e080f17968131cea2d92da2f52dc5af10ff1d4e1049a0c

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
Signaturer6DAUIdZYSFA41Z5+xeshK4HXAppiixN/KQWpvvqpcGIOJnVjdKNbAEJMRwEnlqF0V394JB3Duo/J9DtnL7iAQ==
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

2026-09-17T11:51:08.132425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023187
observed c5fecdde967a42c0f91e52c2bd7f5597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.111713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023187/manifest.json
observed 651d5aa0dc0b751f94e080f17968131c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.093994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023187/publication.md
observed 92bb233e6bfe1e040b82c1780d96b685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.076493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023187/publication.txt
observed 8f42f09a3cc6034857740636d431ed10...
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.