OpenTechnical

OT-2026-000011553

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000011553) never changes.

Identity and time

Publication numberOT-2026-000011553 · never reused
Internal UUID01a0ae6c-88ff-754e-b2c4-f4748cab72ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011553
StatusPUBLIC

Content hashes

Canonical texta333bfb4ee12ccb4d4b4a775159d67c86e90f309c138bddfc78bf467246f8017
Markdown36ce4d10c4c3fd5b323f42dbb788faf85c2dd37efd56eecfab62ac8f6df90e27
PDF
Publication page29ca5a9f97af17c00cd41818825f49ea6bd5f00ecc21ea3d7a67d334f52f738f
Manifest4358a41d5aabf720fa5b8b34d3066ca79416d9ea7ba8d7a121b0508b0cd61602

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
SignatureY8nB5HHK1Q51oK2tNpC9XP6X40GQn/K0WEOLFBvhvtjva479NivBK4ergZ0iV5KfVX5SezMUgnWMLcSYMwhPCw==
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

2026-09-17T12:13:26.988450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011553
observed 29ca5a9f97af17c00cd41818825f49ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.969494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011553/manifest.json
observed 4358a41d5aabf720fa5b8b34d3066ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.950357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011553/publication.md
observed 36ce4d10c4c3fd5b323f42dbb788faf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.932190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011553/publication.txt
observed a333bfb4ee12ccb4d4b4a775159d67c8...
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.