OpenTechnical

OT-2026-000007730

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000007730) never changes.

Identity and time

Publication numberOT-2026-000007730 · never reused
Internal UUID01a0ae62-843f-723b-b03f-05a467b5f2d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007730
StatusPUBLIC

Content hashes

Canonical text9c585b75582234f96290589614d80ea28f3300acd394f0fcf58104ccc54900e7
Markdowneac22dee3f535070e3acfd45b4b1f8b40768570a8f1a74f5027a7cae39263d3f
PDF
Publication page5638044943950942d944f1ebbf4a395a5fcb61d1af6cf07a9fec4346735fda40
Manifestc2368f07ddac4d8d63c413f4f9b6c14a79169cdaef34374e3e720311be796781

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
SignaturebQJg+h8LViSvsw+CqhMNNyiGYuXrCl+XSKIyt05FEeBi41FcLY9MnTRUVwcCLlh3E8fZm6CrJLpcFudFfZ0pCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:07.260671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007730
observed 5638044943950942d944f1ebbf4a395a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.242776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007730/manifest.json
observed c2368f07ddac4d8d63c413f4f9b6c14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.223347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007730/publication.md
observed eac22dee3f535070e3acfd45b4b1f8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.207101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007730/publication.txt
observed 9c585b75582234f96290589614d80ea2...
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.