OpenTechnical

OT-2026-000104026

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000104026) never changes.

Identity and time

Publication numberOT-2026-000104026 · never reused
Internal UUID01a0aea5-341e-7cbc-b01f-80f6ff44766b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104026
StatusPUBLIC

Content hashes

Canonical textaf44e1697879a4c2b3cd761cdfa581aaa7eab2260fd9d36c3b8b677e700ea46f
Markdownc42716c16c2c161616d2512cb25f63096b85f44ff0375fa19d8888ab56a8d260
PDF
Publication page9e8ab6120b0123ee26d75e925c5c7186351c5b5f0d2da30553f385adaa2c622b
Manifest663a679bdc845b44a1cdb7a2b66e4405083838cba028619c995a9a10bd7763f0

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
SignatureiV/NyR+/zSV492g7zCWvA6kQ1j6tH0ObR5hUOK/fHc8yHXLpeuvCacETDcDTquln3wFlyhdvo6TFj8wTGp7+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:05.276809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104026
observed 9e8ab6120b0123ee26d75e925c5c7186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.257687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104026/manifest.json
observed 663a679bdc845b44a1cdb7a2b66e4405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.236356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104026/publication.md
observed c42716c16c2c161616d2512cb25f6309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.215487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104026/publication.txt
observed af44e1697879a4c2b3cd761cdfa581aa...
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.