OpenTechnical

OT-2026-000017526

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000017526) never changes.

Identity and time

Publication numberOT-2026-000017526 · never reused
Internal UUID01a0ae6e-76ca-7d42-b5b8-9ce6bfba4191 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017526
StatusPUBLIC

Content hashes

Canonical text667ddfc9a35189d8efb67a15588067859ea2a8f57c1c84a17fad10d997ab29c4
Markdown4bf2ce97c85269f37b0d174080ddf8227cf489888a487ad56d7e3dde52aa99f5
PDF
Publication pageb525059fb718381ca1ac0b9105f81618337013a0126be62f4636b19023223775
Manifest4ceaa47b60708da33d3fc54fe3b6a1e793927a6432f1927159abe5f7bc61ea9d

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
SignatureGTtqsp+n5pay/rMarVgaeDUwYLOV3xuZfYZbHVIcqfS0KemHBv+LVY/KZMZPbAZswSQZtHn0j7mfXxnPlINKCQ==
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

2026-09-17T12:02:41.132890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017526
observed b525059fb718381ca1ac0b9105f81618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:41.114753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017526/manifest.json
observed 4ceaa47b60708da33d3fc54fe3b6a1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:41.086871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017526/publication.md
observed 4bf2ce97c85269f37b0d174080ddf822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:41.061132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017526/publication.txt
observed 667ddfc9a35189d8efb67a1558806785...
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.