OpenTechnical

OT-2026-000053175

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000053175) never changes.

Identity and time

Publication numberOT-2026-000053175 · never reused
Internal UUID01a0ae84-a432-783a-836f-c35dd0511530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053175
StatusPUBLIC

Content hashes

Canonical text16c11fb10b4026fd32a12e014d6632eeec0c83eb016763c14c401b23a877d30b
Markdown020e5dc1e9d5901b891a348636bc3dfd0ed4421b3e00d22fe923a97f1453af92
PDF
Publication page9eefe3416860d3897e5a2c0fe915f96acd25ffc45fae7d135981e807535d66b4
Manifest6926335dfd8a9f2602989d23f643aaa5669fc3abfe3cd85016279fc2fc289d5d

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
Signaturegj5DvdPhz4X/hYL7KBAl7lDP6tyjjsBMNoNQZsDp9cDoRLywqBUhXZISnyWBojbrbOWNm6d1A1Lf2QqcfUKfBA==
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

2026-09-17T10:56:59.960471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053175
observed 9eefe3416860d3897e5a2c0fe915f96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.943023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053175/manifest.json
observed 6926335dfd8a9f2602989d23f643aaa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.926936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053175/publication.md
observed 020e5dc1e9d5901b891a348636bc3dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.910132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053175/publication.txt
observed 16c11fb10b4026fd32a12e014d6632ee...
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.