OpenTechnical

OT-2026-000043437

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000043437) never changes.

Identity and time

Publication numberOT-2026-000043437 · never reused
Internal UUID01a0ae7b-327f-742a-94e9-aba754b2e16f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043437
StatusPUBLIC

Content hashes

Canonical textdc8dfef62306b05d546359945e4590dc125518b0f8651d97319ebf980dcae659
Markdownd08e60a178194a028a40b3e57122b739689b31841350bdc2db41597bc10ce17f
PDF
Publication paged6c80b4f6c63a9cdd634ed298fa10617989b01b97aefa0595713a9a90b6daf93
Manifest2eb1ce27c8b8f6238534a02db7b05b00d6db83f3b85d94a708f9578ab251010e

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
SignaturehYZtAQpzcZIq3Ro2NraHhmuu+ku2WErrpNN1aZZ/yUBZBEsQc4lBG3rkW+OmyCSHIbRtl/IXcRVNlT6DP7vyBg==
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

2026-09-17T11:13:59.081428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043437
observed d6c80b4f6c63a9cdd634ed298fa10617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.062412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043437/manifest.json
observed 2eb1ce27c8b8f6238534a02db7b05b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.041671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043437/publication.md
observed d08e60a178194a028a40b3e57122b739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.022645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043437/publication.txt
observed dc8dfef62306b05d546359945e4590dc...
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.