OpenTechnical

OT-2026-000079552

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000079552) never changes.

Identity and time

Publication numberOT-2026-000079552 · never reused
Internal UUID01a0ae96-0b92-7d48-996f-3df1a39a87be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079552
StatusPUBLIC

Content hashes

Canonical text9e9164784931d3e69ece81fa5339fb65d2f0e4f7bd20d07a62b506a05ead10a9
Markdownbdae67db2f59e4a24ed317a33b37b5fae857e7aa7f66c514bbfb74e3365819b2
PDF
Publication page54cd1ffa58595df674898879f1084b3514ed1f44c5efe02df5b492f92789ee68
Manifestd8cd66f2bb213c19ceb941d393a5fb504746e0e4f0193114a0516f2d21b5bf07

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
Signature5vHD0wZKdpOb3EKbBvydg+VuBO7xmWWeV5CIPWV1US1ljjW6LQGQ37mPrSiCC3S/S/7oJNalLMVhZ1uI0kGVAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:12.118536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079552
observed 54cd1ffa58595df674898879f1084b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.100753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079552/manifest.json
observed d8cd66f2bb213c19ceb941d393a5fb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.082896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079552/publication.md
observed bdae67db2f59e4a24ed317a33b37b5fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.065849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079552/publication.txt
observed 9e9164784931d3e69ece81fa5339fb65...
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.