OpenTechnical

OT-2026-000022007

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000022007) never changes.

Identity and time

Publication numberOT-2026-000022007 · never reused
Internal UUID01a0ae6f-bb5c-778a-a62a-d170fcbfb4a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022007
StatusPUBLIC

Content hashes

Canonical text367034287ff0593851f2f020d9924203e7a8966020673e62bab6b3d374fe389b
Markdown29d10688ff95441533dbd2c5fc4fe9ce11af61a432ae22f0bc36a2fdbb501432
PDF
Publication page68a6a6b12ca4675694b7e3a6c6518bb2ecb2004c79d8899e6216c2d526d38dd7
Manifest6747925bef32611072baf9818484258ad9317263ddd2acc9f28a2040e1410c26

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
Signaturegilj4Ip/pE7QQrAdSAs0bWaFiOYrQg9Av8qMB+jaQaxxixpKmgpbQbmaVSpJzQdb9ES/r6TXVlHxR70jDlIsCw==
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

2026-09-17T11:54:41.278757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022007
observed 68a6a6b12ca4675694b7e3a6c6518bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.254655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022007/manifest.json
observed 6747925bef32611072baf9818484258a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.235759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022007/publication.md
observed 29d10688ff95441533dbd2c5fc4fe9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.217937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022007/publication.txt
observed 367034287ff0593851f2f020d9924203...
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.