OpenTechnical

OT-2026-000068207

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000068207) never changes.

Identity and time

Publication numberOT-2026-000068207 · never reused
Internal UUID01a0ae8f-c4ff-79b2-bda2-70d655e457bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068207
StatusPUBLIC

Content hashes

Canonical text4f95e7dd644e3724ddd093e71ccea97d9d2e39a6ccef9b81d8eecf51310f01d3
Markdownd9fe59a07378a1cf357bb654564cf8103aa2e2d04c1136ca0787a6ab58a9d46a
PDF
Publication pagebe4fe9202171e0b70de4a45d23694b99eb324830eeca88436a632ddb65feb95e
Manifesta218b273a348320f1bf855c8cf4b959d6e20e0e907728fbea5fc7836241704b6

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
Signature7lTVbI2sNfpfGvUosAdPMnV2Y42dkvAka0l8tcC+72QMJbDrY31S0/5LJH134Sb+fEt/1/vuZQo8CepuBi0vCg==
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

2026-09-17T10:30:52.183865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068207
observed be4fe9202171e0b70de4a45d23694b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.166327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068207/manifest.json
observed a218b273a348320f1bf855c8cf4b959d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.147629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068207/publication.md
observed d9fe59a07378a1cf357bb654564cf810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.129430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068207/publication.txt
observed 4f95e7dd644e3724ddd093e71ccea97d...
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.