OpenTechnical

OT-2026-000072549

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072549) never changes.

Identity and time

Publication numberOT-2026-000072549 · never reused
Internal UUID01a0ae92-89d8-7c59-a44f-17903661aab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072549
StatusPUBLIC

Content hashes

Canonical text87a107517ea59c38c78ea10cebec7398ade7e20175c2fd1cc9c4e4ac2552949e
Markdownd1f1ff9c06ce9fc9916be777273cb767f97bd23527eac9cd8e3f982e7d0c9a44
PDF
Publication page857b2750f652abccba0f89e1e16eb72ad7b7302da910d6eca4d1d80293e6f25a
Manifeste02d2cd740cbb938eb9fe60185aa9f9a75a9a00ac50d8c12536637e68d09a0a1

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
SignatureNhF3KBuxwuJRFmQCJjsftdZB3v1smZN+33+fx5KHKfYnktU+PykI5zZeXD5xFBFf1StkXSQlOt2O69l8As0WDQ==
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

2026-09-17T10:22:22.877248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072549
observed 857b2750f652abccba0f89e1e16eb72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.860180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072549/manifest.json
observed e02d2cd740cbb938eb9fe60185aa9f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.842305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072549/publication.md
observed d1f1ff9c06ce9fc9916be777273cb767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.824413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072549/publication.txt
observed 87a107517ea59c38c78ea10cebec7398...
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.