OpenTechnical

OT-2026-000041012

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000041012) never changes.

Identity and time

Publication numberOT-2026-000041012 · never reused
Internal UUID01a0ae79-b10e-7f3a-a0c4-5483064f7af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041012
StatusPUBLIC

Content hashes

Canonical text8b8408c81838a04d4f2150ab608e5e5ba8bcd0c6d359552cbb6cc94e38df9674
Markdownd426c91c0770fecc05b507875c333ecb4fbb25f5bfcdcf3eb1e86bf1d6198a8d
PDF
Publication page2735549bab6e7ab0af58aa561ad5ac835143df037cc7092a1188ac5e64cc9887
Manifest64104ddf5bf140df0121bdf953280e51ccb88bed4e06da4fd85f98387331a28e

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
Signature39CS2RjWBHVULy27VOGq2388bvbN2NoeWgMINQ8hQQtf5d5k+e4Xt0FJ1A7s1Jo2sKVYAShWM9jsew7l9CkZCw==
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

2026-09-17T11:16:55.102936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041012
observed 2735549bab6e7ab0af58aa561ad5ac83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.087154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041012/manifest.json
observed 64104ddf5bf140df0121bdf953280e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.072263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041012/publication.md
observed d426c91c0770fecc05b507875c333ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.055952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041012/publication.txt
observed 8b8408c81838a04d4f2150ab608e5e5b...
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.