OpenTechnical

OT-2026-000011609

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000011609) never changes.

Identity and time

Publication numberOT-2026-000011609 · never reused
Internal UUID01a0ae6d-193f-7573-975e-cc42c964675d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011609
StatusPUBLIC

Content hashes

Canonical text071c6945af00d3c0c6197ead8a43b3a53b4658d48f06db14f4e969c0ae725907
Markdownc58cfee2d3357761bccaa2730cc9e74e39e41a7999458eae98a8d888f6887273
PDF
Publication pagee7efd091ba2180426e88520e3eda3534bc2e2f8b5c0e16718f50688c8ff9c121
Manifest74cb8f35ee57abc61bd8d07d40a16228d7ea35805b7c15f8935681cebd204058

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
SignaturecoiuWCFSOieK21JmFXm24x17cAc54oygQS1j2tB1tzp8DqdjiwFjWJQ3il/IOZ9BkFDE9WJrus6nRp7ghQ9iBQ==
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

2026-09-17T12:12:11.195470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011609
observed e7efd091ba2180426e88520e3eda3534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.176170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011609/manifest.json
observed 74cb8f35ee57abc61bd8d07d40a16228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.159225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011609/publication.md
observed c58cfee2d3357761bccaa2730cc9e74e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.141943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011609/publication.txt
observed 071c6945af00d3c0c6197ead8a43b3a5...
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.