OpenTechnical

OT-2026-000045507

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000045507) never changes.

Identity and time

Publication numberOT-2026-000045507 · never reused
Internal UUID01a0ae7c-f76d-7b3d-879d-b9da190f5cf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045507
StatusPUBLIC

Content hashes

Canonical text59b81ba483e8ceb406d7718fd9e5f703aa8459e624d484f426d6311f7918bd5d
Markdowne6b8def192c76da3fbd967274e9427528c7cdcf3f0f6eb748fbf8034a35872e5
PDF
Publication page84baaa243073e0e09c569ba6461f0df827978d78064543ec420b8615b00fdf50
Manifest6d26edd051bd7bea589b23f3fc6e0ea63dfb4e1236c06dc5a330c5284da3be9e

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
Signatureeh7Alp/NVqL0NmYPWfm56rxsA+PUxyRWcAQvBXxOCIMyU2jEtP8xOm2CM/QXmlHLVqPoto2IeYAjwgzjfWhmCw==
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

2026-09-17T11:11:19.645205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045507
observed 84baaa243073e0e09c569ba6461f0df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.624604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045507/manifest.json
observed 6d26edd051bd7bea589b23f3fc6e0ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.604701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045507/publication.md
observed e6b8def192c76da3fbd967274e942752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.584637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045507/publication.txt
observed 59b81ba483e8ceb406d7718fd9e5f703...
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.