OpenTechnical

OT-2026-000014890

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000014890) never changes.

Identity and time

Publication numberOT-2026-000014890 · never reused
Internal UUID01a0ae6d-d095-79a7-a7d6-8ae4302af07b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014890
StatusPUBLIC

Content hashes

Canonical textdd6e746902c183348e7dc332b688876afc989f48b4eac3f02b8c8299ed6e9251
Markdown99ba8825cf1598c295eee23ff446e19fc1342b052369269c5a6c3c7d5e1a7077
PDF
Publication page3e702e7d78b98b6e6a8dfa4da47b1f87a43715520c9cdf0cfd78eba75087bbde
Manifest56916f887df81c87f2856971676682d20ff1efd973345d485da25003a172d604

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
SignaturenGxlTYJusM++J7ioRnEIT0A3S4dGuzcF8ER5IYDjUb5BuN6AM6kqw/vajhY3BOxS6tJbt6gCbwAib7iAOEyFDQ==
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

2026-09-17T12:06:49.063281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014890
observed 3e702e7d78b98b6e6a8dfa4da47b1f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.045452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014890/manifest.json
observed 56916f887df81c87f2856971676682d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.025462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014890/publication.md
observed 99ba8825cf1598c295eee23ff446e19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.005009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014890/publication.txt
observed dd6e746902c183348e7dc332b688876a...
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.