OpenTechnical

OT-2026-000053467

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000053467) never changes.

Identity and time

Publication numberOT-2026-000053467 · never reused
Internal UUID01a0ae85-0a90-7840-ba8e-e6342195d59e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053467
StatusPUBLIC

Content hashes

Canonical text2406e88aef06e98b51aa66fbbfa3bf14170f15ffed2ecc6c8b317aac37e4039f
Markdown3e2695136a5e678d0930591bbb81fcb46caff4d25452a2ef1c74caf228f85c00
PDF
Publication page0295dea896c291ff5daa51722801bfcb905ecdeabd590086f53ad54425021521
Manifest77693c4f0d7fd80aca2dbb7d9689ebe4ff3139edde02a797a277c4f8c98f9e04

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
Signature0tlnvHt7AGM38gdo6oT35w8DgozrT1snC5VfGSQ6pBoRpBGJ/A5rkANjnTog8lm9/42+rB86m+cTjKHcDJtVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:13.064727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053467
observed 0295dea896c291ff5daa51722801bfcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.047128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053467/manifest.json
observed 77693c4f0d7fd80aca2dbb7d9689ebe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.028974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053467/publication.md
observed 3e2695136a5e678d0930591bbb81fcb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.012376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053467/publication.txt
observed 2406e88aef06e98b51aa66fbbfa3bf14...
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.