OpenTechnical

OT-2026-000023481

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023481) never changes.

Identity and time

Publication numberOT-2026-000023481 · never reused
Internal UUID01a0ae70-7269-7d8f-94f1-d98254a8179a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023481
StatusPUBLIC

Content hashes

Canonical text0e8209a73df2653dd8bbad8d24ea427522784247079e6ef38809aebc2d79d13b
Markdown818988731ac588a26ecf0ab7799fbe985d8bac20a8260b27568ac5e95ef11ae9
PDF
Publication pagecbf4671d5692939f85399bad03472ed4215654c21afdec33f5c5a3614308fcc0
Manifest05a361fbdc6011111696b96b43109c9c99a34292283dd35511631c0cbe1d31e3

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
Signaturex8wOtXbE9ld42nZEyIrUSoR788llz0lXAk/Kk8m04uA/bz9fhEdWnw7kOxB4vL0xfd06NBqb2UO+UO4vHzx0Dw==
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

2026-09-17T11:51:42.399803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023481
observed cbf4671d5692939f85399bad03472ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.383011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023481/manifest.json
observed 05a361fbdc6011111696b96b43109c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.365303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023481/publication.md
observed 818988731ac588a26ecf0ab7799fbe98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.349164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023481/publication.txt
observed 0e8209a73df2653dd8bbad8d24ea4275...
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.