OpenTechnical

OT-2026-000056916

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000056916) never changes.

Identity and time

Publication numberOT-2026-000056916 · never reused
Internal UUID01a0ae87-7af9-7153-985c-5649de7f2a76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056916
StatusPUBLIC

Content hashes

Canonical text89b30c8bf4191c8aaa46440b45fa0f110b178139e7191e12616b78bac1db9fb6
Markdowna93e28459b16639e11cc310f1a716dc672e5531c74adfb94be5bb362909bdabd
PDF
Publication pagec6b527753896e1976effb8c9e3da006f01bf3b8b4c794a020380240c3f8f4c18
Manifest5d53c9a0528f064cc3e5be2c824743072861a1d82455be42bc4587f3fa411361

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
Signature85UquXAVyrYXNSw0Mjl2RgCJPvc2jiZl70Wc/wjWRGVce/YV+s5Sv7xIQ9gfPbOX4JHktRurN9rTO63xZCmKDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:27.614103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056916
observed c6b527753896e1976effb8c9e3da006f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.596466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056916/manifest.json
observed 5d53c9a0528f064cc3e5be2c82474307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.575357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056916/publication.md
observed a93e28459b16639e11cc310f1a716dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:27.557690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056916/publication.txt
observed 89b30c8bf4191c8aaa46440b45fa0f11...
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.