OpenTechnical

OT-2026-000048626

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000048626) never changes.

Identity and time

Publication numberOT-2026-000048626 · never reused
Internal UUID01a0ae80-4de8-7215-8091-ab8a9755c76c · 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-2026-000048626
StatusPUBLIC

Content hashes

Canonical text5b2cf19d24cd434ff06803be080c8eb47c5c8a4ac39d7612e6256e57ec59d7a5
Markdowne8d57c5c9e53f741167a682ef93fe5a407be48a3b909530bcfe8164e461aa8f2
PDF
Publication page9099938c1889136ea68bae90a01f7adf4e06d85991bf316b9cf1470cafab7876
Manifest84acd1167a67b627615ddc010f58e97e7014d84c1994a2314c9197d0248c51b7

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
SignatureBimiVvS9ry/1XzeKf0zHRAusKnjQOhWIHn1ZWshefyVX2i5Vj+ojldwYNcgkLFF2iiP1QUqs0YRWoStUAEPqBw==
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

2026-09-17T11:05:26.849492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048626
observed 9099938c1889136ea68bae90a01f7adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.833046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048626/manifest.json
observed 84acd1167a67b627615ddc010f58e97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.814703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048626/publication.md
observed e8d57c5c9e53f741167a682ef93fe5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.792776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048626/publication.txt
observed 5b2cf19d24cd434ff06803be080c8eb4...
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.