OpenTechnical

OT-2026-000044117

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044117) never changes.

Identity and time

Publication numberOT-2026-000044117 · never reused
Internal UUID01a0ae7b-d67a-7a52-bc0a-2edf363b91a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044117
StatusPUBLIC

Content hashes

Canonical text2a2ca65e7b9095f688bc8b65d385e0fc1585f878d10909e7dfed0130d72b80f7
Markdown003930f711ac7ac59c5315b931e3ea0ba24e777961de6f2639e9adea3b1aae26
PDF
Publication paged164e66e18df351efdc27ec57d2dd6d7dfed4c2993ddb38950e4398d82be3888
Manifestc0fdfd547569f45c7c655cfe844e990d208ea3bd902608cc89df2a777b62c292

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
SignatureQ12ZqPf/5zWe4zCgcmtc9chVvqegElCHkw5gX1tVgvA6racznA5DPIiQwmoZZcAQHCN/P+6ptbdYfoi9lBXDDA==
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

2026-09-17T11:12:31.905914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044117
observed d164e66e18df351efdc27ec57d2dd6d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.886816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044117/manifest.json
observed c0fdfd547569f45c7c655cfe844e990d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.868236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044117/publication.md
observed 003930f711ac7ac59c5315b931e3ea0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.848722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044117/publication.txt
observed 2a2ca65e7b9095f688bc8b65d385e0fc...
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.