OpenTechnical

OT-2026-000022106

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000022106) never changes.

Identity and time

Publication numberOT-2026-000022106 · never reused
Internal UUID01a0ae6f-f4fb-738d-814b-d99ad4345f72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022106
StatusPUBLIC

Content hashes

Canonical text5f579ebee3a112091f7d2aad715b28a182e1c0969d60d1712c8ef4096c65bd0d
Markdown796424cb7e70a4eec614b9c60977306158200ce252b43a438ca5b0c60656aef7
PDF
Publication page57b753aeaa1f32ec2a9f1ef6238fe081fb9b3fcf705b4eee657cd6eb567da792
Manifest238116b29da3361702768fef393c6f696e61d91dcd37df9ada20a81cb3d7e979

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
SignatureYr31d6zdia5kF4w7KpDpOrnRUvEJ1dF7WbFwpLZOp2lysaSgP3ro72GPOxPIwXcRyfW7RFNO3A+E34Av6/AzCQ==
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

2026-09-17T11:52:46.559161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022106
observed 57b753aeaa1f32ec2a9f1ef6238fe081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.540775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022106/manifest.json
observed 238116b29da3361702768fef393c6f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.523716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022106/publication.md
observed 796424cb7e70a4eec614b9c609773061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.508075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022106/publication.txt
observed 5f579ebee3a112091f7d2aad715b28a1...
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.