OpenTechnical

OT-2026-000038874

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038874) never changes.

Identity and time

Publication numberOT-2026-000038874 · never reused
Internal UUID01a0ae78-769f-7192-a94c-61b9819a8f57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038874
StatusPUBLIC

Content hashes

Canonical text4a2f05e8cdd2d90c64756d32ea6ee10ed172827439431f4669545ca99a27be89
Markdownb68acb5cd2eb55b853a1c1c9e4ecabe3f3dd9264144f3f7cd628057dc795cc54
PDF
Publication page368e3cf3815a19d1a69d07d3842371d707a000b30195e4f002e8477aa4c51edc
Manifestf77c50bc309a58c38d9a42a959dc13d5cd3b9b360a3016b77ce3e323ccb905a7

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
Signature+OsT0s+T5Lpg0xYZ2iV0WJEvQ9K1S3HxFkE+acwp7w4XiOWPC2GxK50dyIYX0gdbMbImwvIh65FouRjNUR0fBQ==
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

2026-09-17T11:21:27.207127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038874
observed 368e3cf3815a19d1a69d07d3842371d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:27.190095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038874/manifest.json
observed f77c50bc309a58c38d9a42a959dc13d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:27.172321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038874/publication.md
observed b68acb5cd2eb55b853a1c1c9e4ecabe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:27.154541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038874/publication.txt
observed 4a2f05e8cdd2d90c64756d32ea6ee10e...
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.