OpenTechnical

OT-2026-000016518

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000016518) never changes.

Identity and time

Publication numberOT-2026-000016518 · never reused
Internal UUID01a0ae6e-2d13-7fbd-8233-8830135969b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016518
StatusPUBLIC

Content hashes

Canonical text858bf9c92b3a87a5ca10e540da27c81d209cbaf47bd8619e38773f0d34d19f8a
Markdown859e03a5cc045d227ea3b4e28fcd47b42721fd39fa5effb13c1a82469c9377ff
PDF
Publication page2dfd0287e76c8fb51e3e0e5b07f24f0001cd3a9afa3f5d9c2a41193a75fb0867
Manifest472fadbfcb3720526c25e4d59a9393b55c7f5e6fd77e7ed72e70c8c4c43f2ce0

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
SignatureOnvdT+5LE68JhX2RFKw/znIBDrQvWO7ReS4GNLvoAM4+kX9QSKsAbqiUmaS6z3I8tsNXLcdyfND1eJtqlbGdBg==
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

2026-09-17T12:04:43.991285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016518
observed 2dfd0287e76c8fb51e3e0e5b07f24f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.972992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016518/manifest.json
observed 472fadbfcb3720526c25e4d59a9393b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.955687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016518/publication.md
observed 859e03a5cc045d227ea3b4e28fcd47b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.936268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016518/publication.txt
observed 858bf9c92b3a87a5ca10e540da27c81d...
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.