OpenTechnical

OT-2026-000054332

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000054332) never changes.

Identity and time

Publication numberOT-2026-000054332 · never reused
Internal UUID01a0ae85-b3a9-7b51-9aaf-feb14d335c9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054332
StatusPUBLIC

Content hashes

Canonical text268f7cc8750791c80bb1bc630c13e755964960ce927f6da20b52e030ed50426c
Markdown7a8af5358e522218b881728f9fa5d44072ac2a2ddcbb29b3bb30d6c0460dd921
PDF
Publication pageda6dcd5a5cf0d86a233e96c7b7aff50d7b230ef030699d5862edfc73a29c9676
Manifest88abaecfc11708e7c48d284832ccb88b18dcecd92abe959abce3f8bd0b558c37

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
SignaturegA8J0L5KEo5YcV6GeUpu7B2rl78JDlJCDxwiucO3WVAVyqyVSbv37NTt61uCXHfuzY8hGvr79OuD+ycmtEswCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:50.658193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054332
observed da6dcd5a5cf0d86a233e96c7b7aff50d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.638787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054332/manifest.json
observed 88abaecfc11708e7c48d284832ccb88b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.619994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054332/publication.md
observed 7a8af5358e522218b881728f9fa5d440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.601409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054332/publication.txt
observed 268f7cc8750791c80bb1bc630c13e755...
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.