OpenTechnical

OT-2026-000045711

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000045711) never changes.

Identity and time

Publication numberOT-2026-000045711 · never reused
Internal UUID01a0ae7d-8f04-7982-b41a-ff19f8f05447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045711
StatusPUBLIC

Content hashes

Canonical text242137b62879e9e9ede15bd178d8382e938367d642e0b45bad4e7049145b7fba
Markdownc70677ba950f4fe4d62b0272282ad77eb6c802ce6fef3335d6a2b40d33df3214
PDF
Publication page94f657c4f86bb899264b5020ee2e852a271337f5cece3956e5a0fefb0ccb5f7f
Manifest9f9483afd95a5524049aa47b2696024d596dad5d94c326ab001b79a7ac3c952f

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
SignaturedDdRAsxL0vxnaTzd85/C5xHYd9ptcsNGhk2kooWN97m2AlQzW1Bs6fyhncHrHh4Kdi0AVISYe64kE6nlviBeDw==
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

2026-09-17T11:09:31.248491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045711
observed 94f657c4f86bb899264b5020ee2e852a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.229821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045711/manifest.json
observed 9f9483afd95a5524049aa47b2696024d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.210143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045711/publication.md
observed c70677ba950f4fe4d62b0272282ad77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.192662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045711/publication.txt
observed 242137b62879e9e9ede15bd178d8382e...
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.