OpenTechnical

OT-2026-000089666

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089666) never changes.

Identity and time

Publication numberOT-2026-000089666 · never reused
Internal UUID01a0ae9c-1a22-72f9-b455-cc90f2fd1098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089666
StatusPUBLIC

Content hashes

Canonical text2c7b0d1e235e1422cbd51ead1c92a2a7ba82f2160f8e10e46c49e9ab14afc9ab
Markdown641b5b5340b16dc34995e5dc1a26a7c86a6fa6f7485d08cfa7b0a84ef45ddd0d
PDF
Publication pagec7500f761d2a89faf486faf7bd7f415eaaf5773a0ed213a6c4c23cc10c50e894
Manifest36acb8e7140b75be71d763a24048678690eb834121f1ecdef78e8a77b6ff0cbb

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+oFfb3L6Me2NSoi0ziiN3yKNWlMiQTzo1FP9rxJxRTfncRk3k7IaCbpsKxCsFi9KTVLWiMqyeUemwGN9y4oIBQ==
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

2026-09-17T09:46:39.631988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089666
observed c7500f761d2a89faf486faf7bd7f415e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.615566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089666/manifest.json
observed 36acb8e7140b75be71d763a240486786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.596569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089666/publication.md
observed 641b5b5340b16dc34995e5dc1a26a7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.577419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089666/publication.txt
observed 2c7b0d1e235e1422cbd51ead1c92a2a7...
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.