OpenTechnical

OT-2026-000048616

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000048616) never changes.

Identity and time

Publication numberOT-2026-000048616 · never reused
Internal UUID01a0ae80-4de8-71b0-b478-f8a68cd492fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048616
StatusPUBLIC

Content hashes

Canonical text1c9676c76eee41a4165dd95f2cfa5600505b6666638b5dd28b9e8c53684b545d
Markdown88dcb0a01fe213205aa0b565241344ef2409b6c5c4f2f58e82e46097163cdada
PDF
Publication page6ffb7c628dde7dcb3bf0bf447188a5a1a896ffde5920869a867e7d74c9b3fb6f
Manifest16b833492f35ef208404f1bfec40c6439fbe3ebcbc7c40f5302461909c92c24a

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
SignatureEnjJ9m+rwr4hR3wgiD2LcOYCdGCrjdLc7rCUpVs/TDhLb30aqy+qQWROI4tsztCetgWlanBo0iFSdV4pWAGjCw==
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

2026-09-17T11:05:26.052152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048616
observed 6ffb7c628dde7dcb3bf0bf447188a5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.032827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048616/manifest.json
observed 16b833492f35ef208404f1bfec40c643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.012713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048616/publication.md
observed 88dcb0a01fe213205aa0b565241344ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.991191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048616/publication.txt
observed 1c9676c76eee41a4165dd95f2cfa5600...
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.