OpenTechnical

OT-2026-000062698

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000062698) never changes.

Identity and time

Publication numberOT-2026-000062698 · never reused
Internal UUID01a0ae8c-6388-7439-b199-87fb777e16dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062698
StatusPUBLIC

Content hashes

Canonical text06b1be5687b4624a43388281ff10e0d605c176af8c6f40c1f9225a2f17ac6e02
Markdowne55f72238cfeb0c351f1ad8da6e0329966c918abea3c55810476f2dc6ecc2f14
PDF
Publication page8682deb85d89e81d83b90ce723fb65a3cf7fd1214f4de9f222cbe2ab5ead168c
Manifest89c14334096405671556b79958f767c4e02c2514f85915503aa9ff0d4f25b528

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
Signature03/+JlHlQKDXBvawJ9SzKsSPPGF6od6xWyuvL9xecb0GN56nYcFPGgUcQSRQhLN5Vq0T6sfX4hx7rd32bz4kCg==
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

2026-09-17T10:39:15.671030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062698
observed 8682deb85d89e81d83b90ce723fb65a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.652569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062698/manifest.json
observed 89c14334096405671556b79958f767c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.636039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062698/publication.md
observed e55f72238cfeb0c351f1ad8da6e03299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.619968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062698/publication.txt
observed 06b1be5687b4624a43388281ff10e0d6...
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.