OpenTechnical

OT-2026-000047853

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000047853) never changes.

Identity and time

Publication numberOT-2026-000047853 · never reused
Internal UUID01a0ae7f-c421-7276-bacf-c2ff88fa9d49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047853
StatusPUBLIC

Content hashes

Canonical text24ac9727c6187ea01f0b19264d190529d1b578968814d228bdb507af8a35f0f9
Markdown51888425f9d2c0d279b553e9af69e4f36d2e98592f41aba4e5df035e5c592e86
PDF
Publication paged28515ddf0f979920300412356d2a29da821461031431d208d41439fead66b3c
Manifest58f195387dfcfdb94be0943d0c7a8ea0550e0b9c1b3e089637092b839c473d00

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
SignaturefkOiJx8fvfJ4yPM2ECBoFZE3VP3eJ0kT+RYDhPOHSvLMVmp6J1gCilRhtTiYrQu5Nerpi9zPDDjkduRFD/CvDQ==
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

2026-09-17T11:05:46.499746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047853
observed d28515ddf0f979920300412356d2a29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.477838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047853/manifest.json
observed 58f195387dfcfdb94be0943d0c7a8ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.458694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047853/publication.md
observed 51888425f9d2c0d279b553e9af69e4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.438606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047853/publication.txt
observed 24ac9727c6187ea01f0b19264d190529...
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.