OpenTechnical

OT-2026-000049297

Publication integrity record

Two cup vacuum gripper, two 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-2026-000049297) never changes.

Identity and time

Publication numberOT-2026-000049297 · never reused
Internal UUID01a0ae81-1350-7ce2-a32e-180bde5ef4b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049297
StatusPUBLIC

Content hashes

Canonical textaf06d256bfd225e7e6a8e9087cfb1af18d4c3dac5c7ce898727758acca5876eb
Markdowndec9d605610ea09614f07438b0d4041b6fca189ee8e2cec97406ab53d14cb338
PDF
Publication page9a3b295e1dbb67e44256c06a6fbc0aa3c6c9096f5009f2a0c9c38d50c6562791
Manifestc2679697b5144086be4b5f4eda021cc504d340f4571f4d4890d01f5d1fff5b14

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
SignatureWvmDhhZWTiARCX3K3cd4Hg4fFK9UY6MZbnyxUmod0tOcIWP8+W1YfjVN3e+GP8x6GGJCSHRHjrReLSkwl8YfCg==
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

2026-09-17T11:04:09.624517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049297
observed 9a3b295e1dbb67e44256c06a6fbc0aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.603733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049297/manifest.json
observed c2679697b5144086be4b5f4eda021cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.584618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049297/publication.md
observed dec9d605610ea09614f07438b0d4041b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.565850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049297/publication.txt
observed af06d256bfd225e7e6a8e9087cfb1af1...
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.