OpenTechnical

OT-2026-000080308

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000080308) never changes.

Identity and time

Publication numberOT-2026-000080308 · never reused
Internal UUID01a0ae96-7e77-7735-bc25-020802132356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080308
StatusPUBLIC

Content hashes

Canonical text1cf43c853b32b49e3ed37d85bae16c7cba0fe489b1d596f9d046e0932c54763b
Markdownf66ad5509dc3c1d0c7ac7262168085d0afdf057f9816bffeafb66fcfdb17b5b2
PDF
Publication page1d55a113d8286542e2a8d473260fbf48272b2e9a4a277dc851f0813c5e91d5f5
Manifest9d40d2bf8eb3aafd491a86d5f7d446deeccb33952734ca3badbec7a7f06429a0

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
SignatureonzeYHjPHpQMrb7ydMYszR2/xTIQxR2SYZr1LVtaUQerXsqdOEoQBoGWA5/AVJE20XEysmW/APzsS2BoT7rXDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:46.569425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080308
observed 1d55a113d8286542e2a8d473260fbf48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.546797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080308/manifest.json
observed 9d40d2bf8eb3aafd491a86d5f7d446de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.526590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080308/publication.md
observed f66ad5509dc3c1d0c7ac7262168085d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.507932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080308/publication.txt
observed 1cf43c853b32b49e3ed37d85bae16c7c...
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.