OpenTechnical

OT-2026-000029556

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000029556) never changes.

Identity and time

Publication numberOT-2026-000029556 · never reused
Internal UUID01a0ae73-5e22-73b8-8648-f463ed87a312 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029556
StatusPUBLIC

Content hashes

Canonical text9b6d1f1ebc0e10442de748d18e475f6fe101f25b92b01794b01b836498922d51
Markdown555d9bb6beec7233bdb46cc86864a2ae04af56b340527be993cfebf8d81989a7
PDF
Publication page1d47e99f432fccc60628ac7f00d35a9f9a23cc9ecad3e3b8558abd1200290889
Manifestdf09bf77e2180004a76580b221f66096966b9d9e0e56f413d7bf3a5a743bceff

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
SignaturekNRaxYdA5zzjebVfhgKvSeTWdfHTskpKqQuW29myGjO2puLQU8dondYIgmJjTXwDjLI4xRSbAwqpHybmbz4IAg==
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

2026-09-17T11:39:14.458044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029556
observed 1d47e99f432fccc60628ac7f00d35a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.403718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029556/manifest.json
observed df09bf77e2180004a76580b221f66096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.999702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029556/publication.md
observed 555d9bb6beec7233bdb46cc86864a2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.983293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029556/publication.txt
observed 9b6d1f1ebc0e10442de748d18e475f6f...
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.