OpenTechnical

OT-2026-000049433

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000049433) never changes.

Identity and time

Publication numberOT-2026-000049433 · never reused
Internal UUID01a0ae81-8f7b-71cf-a5e6-af82e4c6c937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049433
StatusPUBLIC

Content hashes

Canonical textf97357c6038feab6c005c719bc6ad14b1107dc0aa895d3d28b3ad471947b9a3c
Markdown89befcd41cb792e93aed44281988e6b8c1de70ebf0072d3eebc978be15a54d53
PDF
Publication page92e9f469ef96959d6fac1287b984a0a3c85d4cd38deda425b301c56fcd4fa5ea
Manifestfeb25a5970b0202bfff1ce515d6600730fa7a978a2a5b65709ed420cfff9ecb5

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
SignatureimvfhuVL5ly41A1LNe+E42gwK3KF5KDpXHCNoXffOkRIistX9yF8u7j/psbQWXm28X3z6hw1RmDa/HKT/ixICg==
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

2026-09-17T11:02:15.900167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049433
observed 92e9f469ef96959d6fac1287b984a0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.883773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049433/manifest.json
observed feb25a5970b0202bfff1ce515d660073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.865928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049433/publication.md
observed 89befcd41cb792e93aed44281988e6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.846376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049433/publication.txt
observed f97357c6038feab6c005c719bc6ad14b...
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.