OpenTechnical

OT-2026-000025445

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025445) never changes.

Identity and time

Publication numberOT-2026-000025445 · never reused
Internal UUID01a0ae71-5fa7-7118-bc8f-4eeef7e93a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025445
StatusPUBLIC

Content hashes

Canonical text756c9959401ca8544418b3f72c0c91adc8cc596ddf3e363ddd4442565874adb9
Markdown6104927b9e6efec7a3053409d6f74b0dbbe248f36a21fe53c3de9eada6ed38b5
PDF
Publication pagefd13da4ca15718ebb074655e0b64666bba137320362a531f7f8685571895765b
Manifestffe41ba23c8d630164a0fab643f4cb936fff3da7dbb44556080addf20b843403

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
SignaturenLT2e3f6oGlZmz/zTABgh4mShXI0Mg7wf3Ml1HmFLxlJG1MfTCp8s8oglcxwSayDf8AiG20L/yDB88cQg7BeCw==
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

2026-09-17T11:47:31.594301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025445
observed fd13da4ca15718ebb074655e0b64666b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.573867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025445/manifest.json
observed ffe41ba23c8d630164a0fab643f4cb93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.555151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025445/publication.md
observed 6104927b9e6efec7a3053409d6f74b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.538242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025445/publication.txt
observed 756c9959401ca8544418b3f72c0c91ad...
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.