OpenTechnical

OT-2026-000030644

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three 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-2026-000030644) never changes.

Identity and time

Publication numberOT-2026-000030644 · never reused
Internal UUID01a0ae74-3fb3-70f8-a4cc-d87c461b0881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030644
StatusPUBLIC

Content hashes

Canonical text84dd3a109b2e31453cc8bbec71dd03ae64efbb066858e2334ee116f14d12fc31
Markdowne00c9d9499a212034242ca0e594a6659eda54f7eaca68a74281c871a59457237
PDF
Publication page737826745207040f9f4a4e30d1c803db0e4ac06d434b1c2aa713009d67f0e9c8
Manifest3d1a00056f916ae2fcf60277f53526779ca61f57eac8d884b2717f65e66aeac7

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
SignatureaA8v6mVgE8kMLCmoxPb0H9/gMAMngvbkSeH47+qY/3NaXxfDr6ve+LdQHTIwV0R6/L/rgUgkQrb6jQwnPLLwBg==
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

2026-09-17T11:36:31.366600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030644
observed 737826745207040f9f4a4e30d1c803db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.346014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030644/manifest.json
observed 3d1a00056f916ae2fcf60277f5352677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.323578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030644/publication.md
observed e00c9d9499a212034242ca0e594a6659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.306186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030644/publication.txt
observed 84dd3a109b2e31453cc8bbec71dd03ae...
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.