OpenTechnical

OT-2026-000030648

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-2026-000030648) never changes.

Identity and time

Publication numberOT-2026-000030648 · never reused
Internal UUID01a0ae74-3fb3-7999-9fd5-aaa133a598b3 · 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-2026-000030648
StatusPUBLIC

Content hashes

Canonical text787c774fe91f4d46a1ebc26073956db040a141dd3ea53856cf3700b9aed359ef
Markdownf19575143ea63593f1035dde0dbdbc745fe6d1dc0f7e0ef7dae5ff10cfa931f1
PDF
Publication page5dba2750445017b4c1b293614fa17ca667f5ee56fce026061471cb84d221f27e
Manifestdc182e423d7ba34438d10ad32aed256c0f441a7700d4c922bc12ed3c23d5f15d

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
Signaturey8rhj6Zm7q/LybYoAwtd695ldrWenlx6gtA6m3rOinJnGuVQ2NGb2u2EwfTfrq++R1JO4FuNE87m5Lg0ViZ5Cw==
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

2026-09-17T11:36:31.745794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030648
observed 5dba2750445017b4c1b293614fa17ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.728739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030648/manifest.json
observed dc182e423d7ba34438d10ad32aed256c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.709698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030648/publication.md
observed f19575143ea63593f1035dde0dbdbc74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.687654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030648/publication.txt
observed 787c774fe91f4d46a1ebc26073956db0...
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.