OpenTechnical

OT-2026-000029385

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000029385) never changes.

Identity and time

Publication numberOT-2026-000029385 · never reused
Internal UUID01a0ae73-5e20-719f-963f-73a6495c30dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029385
StatusPUBLIC

Content hashes

Canonical text0d3f5596eed5395babe55517e8d0613214dde23cf7cc1bd3dc4ca182a3c0b1f2
Markdown33e1f5e28b5970c3f8ca2a1e9cb00848c252d0e050fc2fc7387578042e8c0a46
PDF
Publication pagea0754d4d395c6a9c11b56a95161a23c5d4c6e57b99b87be426efb9607de84ff6
Manifest890a8f35bdf03a96b2ed5b7e5221857b3e31a337a8fe17e7edf91e56e02d40af

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
SignatureGkxQljeEEmH+FRfnDuLgESSRLYDRur3yLp89ZvPWE4eDDGJQtE5XQWjFd6invPCyhjWff5qDWi7Im37KpryXCA==
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

2026-09-17T11:38:57.089930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029385
observed a0754d4d395c6a9c11b56a95161a23c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.071767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029385/manifest.json
observed 890a8f35bdf03a96b2ed5b7e5221857b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.053561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029385/publication.md
observed 33e1f5e28b5970c3f8ca2a1e9cb00848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.036304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029385/publication.txt
observed 0d3f5596eed5395babe55517e8d06132...
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.