OpenTechnical

OT-2026-000050681

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000050681) never changes.

Identity and time

Publication numberOT-2026-000050681 · never reused
Internal UUID01a0ae82-c7b0-72ca-9d29-9563127aea38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050681
StatusPUBLIC

Content hashes

Canonical textbfec07250d858f45748790651bba346dbd8963d79fb9eb0340a00c051f5cb4b4
Markdown3ce4191d39e1803e7de9d75dff5864c3fc3754e034903232b43a48064343b0d2
PDF
Publication pageef47f47bd2bfe3004de2620f47e81e63a727ebed53d477ba34eed53c21a334a8
Manifest86db4cf9190726dd8c1eb4524f385e7e3ad2e3faee98449c051426c7919d94e0

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
Signature1MaSROmNSWq8sxovyrAautzeOJNv/wI3a/ZCX8q2loEM/yG78VqfQiT8O1hXussWmiqbHNw3QUQSXZ3qQs/VBg==
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

2026-09-17T10:59:23.344628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050681
observed ef47f47bd2bfe3004de2620f47e81e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.325620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050681/manifest.json
observed 86db4cf9190726dd8c1eb4524f385e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.308293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050681/publication.md
observed 3ce4191d39e1803e7de9d75dff5864c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.287920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050681/publication.txt
observed bfec07250d858f45748790651bba346d...
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.