OpenTechnical

OT-2026-000010547

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000010547) never changes.

Identity and time

Publication numberOT-2026-000010547 · never reused
Internal UUID01a0ae6c-0ee7-7d0d-be0a-03778338a9c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010547
StatusPUBLIC

Content hashes

Canonical text80ec58c1621e58f9b8e37fb7196d632b5c7638da4a69906ba684d0d321427a8e
Markdown86c63746028fb7bec7af2ec9970c61be71b97f87050bfa5170a9e00c85b881b9
PDF
Publication paged8b4ea97a804a3046f56ec28e905a84b45b5386a62a614741bf02691ae45c80f
Manifest3af0b0bb683cb8ea4a6d2af237a8a9a741d3c803fabd63f1e9c43af2ff0bb994

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
Signatureaps0p3oI9u272hnwu7KjnecJKwNh40K6nKHpg7Jj7BNUTAZdp3OI0GVaYcgZv53BwTpTJKckVdONsi6K/zEmAQ==
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

2026-09-17T12:14:42.923596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010547
observed d8b4ea97a804a3046f56ec28e905a84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.902607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010547/manifest.json
observed 3af0b0bb683cb8ea4a6d2af237a8a9a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.883780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010547/publication.md
observed 86c63746028fb7bec7af2ec9970c61be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.865464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010547/publication.txt
observed 80ec58c1621e58f9b8e37fb7196d632b...
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.