OpenTechnical

OT-2026-000045892

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000045892) never changes.

Identity and time

Publication numberOT-2026-000045892 · never reused
Internal UUID01a0ae7d-8f06-791e-b988-347d39eebb6e · 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-2026-000045892
StatusPUBLIC

Content hashes

Canonical text3b46a1c3d8be553ac51ed9fefb43b87b1b76a9b42694f5d8bd937aecfd68bb64
Markdown204521cf86a64f71a29728bcb0a47eae9f27d7e737d44cb836c1cf12e7de207e
PDF
Publication pagee8a2b977e5cea1d23e1a71daf15fd0ea63ae29ea40ce7f886d6644665047b812
Manifest49ccf3819d3d68633a6e0360cd5a3f291d8c0ce2bbe77079118a2c6af85c249f

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
SignatureutMHzo1Taprbh3+ojrniFKSxtHgIz0xOfwumbB+TRzRPGlQYE4BpOBR08oeROx26nY0c8+wqzvIJDpX1FT+0Cg==
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

2026-09-17T11:09:47.235434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045892
observed e8a2b977e5cea1d23e1a71daf15fd0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.215255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045892/manifest.json
observed 49ccf3819d3d68633a6e0360cd5a3f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.196775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045892/publication.md
observed 204521cf86a64f71a29728bcb0a47eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.178094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045892/publication.txt
observed 3b46a1c3d8be553ac51ed9fefb43b87b...
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.