OpenTechnical

OT-2026-000049993

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000049993) never changes.

Identity and time

Publication numberOT-2026-000049993 · never reused
Internal UUID01a0ae81-fd78-77e9-96aa-aa3786ea5e5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049993
StatusPUBLIC

Content hashes

Canonical text03c2d633972ae242f7a648ed6eea54d1216d56aa1b25f9976bec206af6b3158c
Markdowna34150d0cfa791c4bdbbf2c7d5ea850c46a1afef4730302524435a2ebab21afa
PDF
Publication page194d7c8a74532a05f7ee7cc9b2e285d2f8c0af37fd83466411c7529e4ae64090
Manifest8672551e4108a01babc6b63e210c73e78d9e237f49f3c98bd82e6dbf348746e0

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
SignatureCEbppSzdXaEVTg67vAwdlGQq0EGpDpdW0PFx5p/8z9NM+TjLVh0/wkvvoozD0rsrr6YhBHpW17QwqokrG63hCw==
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

2026-09-17T11:01:56.948010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049993
observed 194d7c8a74532a05f7ee7cc9b2e285d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.930294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049993/manifest.json
observed 8672551e4108a01babc6b63e210c73e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.907529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049993/publication.md
observed a34150d0cfa791c4bdbbf2c7d5ea850c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.887686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049993/publication.txt
observed 03c2d633972ae242f7a648ed6eea54d1...
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.