OpenTechnical

OT-2026-000089195

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000089195) never changes.

Identity and time

Publication numberOT-2026-000089195 · never reused
Internal UUID01a0ae9b-db00-7a6d-91e3-d09f0bc6a3c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089195
StatusPUBLIC

Content hashes

Canonical text4b2646cbc62f08be5142554c6e1ea25eb2ae51b8eeaaad7edcd83ebdb8cf2613
Markdown3956fb9707f4823f1e5fa06fb3e004945d31406881be14ab96d5b21f100bb755
PDF
Publication pageb29662b3c42925426c3e13dac731d4d1393aafb91e1f9c5638e69e6fceafcfa3
Manifest0d40dcaaf04d3c492f331890a2367c031f5612cd602f4b3cddb6820adae091a5

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
Signature+6/oBznUSbKWrDuwO5sx/kM/XR5HctHmatoWK/IMrm39nXHAKciroVDrVGEGCs4ygyUVMwKv2SP1ZD3/7f8TDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:12.763887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089195
observed b29662b3c42925426c3e13dac731d4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.746029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089195/manifest.json
observed 0d40dcaaf04d3c492f331890a2367c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.728320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089195/publication.md
observed 3956fb9707f4823f1e5fa06fb3e00494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.711615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089195/publication.txt
observed 4b2646cbc62f08be5142554c6e1ea25e...
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.