OpenTechnical

OT-2026-000016536

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000016536) never changes.

Identity and time

Publication numberOT-2026-000016536 · never reused
Internal UUID01a0ae6e-2d13-7576-bc27-01d05e81f86f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016536
StatusPUBLIC

Content hashes

Canonical text2885580222c9a2b8f2e79194291fe6f5378f898d3a5bcf592624a39c82e2167c
Markdown786e6c2761065947a6133c04f5d7e6c94d7fb7c4c2977a060b98dffe6ff7266e
PDF
Publication paged3fe67f0269af92d49bace92fe1cb1adabf81ee77f48a7e6d578b0f92eaa1f67
Manifest5d665e38c155d47eb89b2e2e555c76ca548d4270bc3906cf35d915a56a3be3d4

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
Signature1WrtC7Xh5UYyZbVOU8hMqJeiki9sl41Ch3d5sZJRvVN+WVr74J5YCLix1zChJthAjoVnBGHj/NkmnP/lj3ZkBA==
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

2026-09-17T12:04:45.420636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016536
observed d3fe67f0269af92d49bace92fe1cb1ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.403529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016536/manifest.json
observed 5d665e38c155d47eb89b2e2e555c76ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.385679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016536/publication.md
observed 786e6c2761065947a6133c04f5d7e6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.367340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016536/publication.txt
observed 2885580222c9a2b8f2e79194291fe6f5...
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.