OpenTechnical

OT-2026-000015944

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000015944) never changes.

Identity and time

Publication numberOT-2026-000015944 · never reused
Internal UUID01a0ae6e-0c4d-7f92-9eeb-98dd97e209e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015944
StatusPUBLIC

Content hashes

Canonical textd34e963d21359db331b53d95a18049d4ab92124cca24883e2edbdf30bdbd205e
Markdowne7cc5e9d5f61bb0e6d7a916f70278383df8e7a4668aeb8412052032287bb0fc9
PDF
Publication page014ed857199492ff7980b0b8a10f2cba66c3178fba64034656243a81deb9ebd4
Manifest416957548f0dab961eb97e85c44903b0876be8d84ed93ecf371966712738f5d0

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
Signatureh5VTEMkDgQ3AEEryQfEIH/bTeDPE5AkZ7XLtVOe7/9OOSHxa8TOEmzyWUvPJBr/JswesTyRl7KTx1hkDWooYCw==
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

2026-09-17T12:05:25.209241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015944
observed 014ed857199492ff7980b0b8a10f2cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.189372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015944/manifest.json
observed 416957548f0dab961eb97e85c44903b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.169630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015944/publication.md
observed e7cc5e9d5f61bb0e6d7a916f70278383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.149368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015944/publication.txt
observed d34e963d21359db331b53d95a18049d4...
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.