OpenTechnical

OT-2026-000069658

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000069658) never changes.

Identity and time

Publication numberOT-2026-000069658 · never reused
Internal UUID01a0ae90-b52c-79e0-a7d0-d3baad733889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069658
StatusPUBLIC

Content hashes

Canonical text67bba3ae810d03673d4099b7abc6a292979b224268c9626e1756a3d300538d6f
Markdown9b3d36e8394aea83d732f85fb3f74be21023bd04f52dc1378773a5d10e255c34
PDF
Publication page899ca0d64bf0abedce04c1fe2e0ef0ddf80372d399263eb47ea0bab0f708797c
Manifestccd33c7d7c385e8a2e0eba6c6e410d5f5b472294ff86816c779612875c17a6bb

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
SignatureanE2Dl8yRFXKHRKYkWw7oTRuTvCvfVqiyi1Pr593tNp+4+VwxVA82MWccJ3IqHaoRasvcN86eKteV/j7NONlDg==
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

2026-09-17T10:28:19.650041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069658
observed 899ca0d64bf0abedce04c1fe2e0ef0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.630505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069658/manifest.json
observed ccd33c7d7c385e8a2e0eba6c6e410d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.609722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069658/publication.md
observed 9b3d36e8394aea83d732f85fb3f74be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.588171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069658/publication.txt
observed 67bba3ae810d03673d4099b7abc6a292...
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.