OpenTechnical

OT-2026-000008301

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000008301) never changes.

Identity and time

Publication numberOT-2026-000008301 · never reused
Internal UUID01a0ae6a-908e-7539-ad1f-7a60ce572011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008301
StatusPUBLIC

Content hashes

Canonical text3b5664f71ca56ea774eddee31cedc1427648caadbe58dede1e48e2bb225e8f26
Markdown8c18e5e8793565565f08096e26948796898a71f2e9bc834e53676569efc45456
PDF
Publication pagef9ab6f05e6eb745f962ab543f5e7ec36dd056c023c6e6acc9572a192a7a623dc
Manifestafa7d7a5e7447e869dcf983231983f14454c5345b9188399493a5027ba35625c

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
SignatureQun659/MEHL68Zk/L7cdVmZreYmODEtzjVDPNpE/ahxSfmj3J2WMiLwVZPMR5a39vXaa015EimZZ00oR9hZHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:44.961107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008301
observed f9ab6f05e6eb745f962ab543f5e7ec36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.944335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008301/manifest.json
observed afa7d7a5e7447e869dcf983231983f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.925802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008301/publication.md
observed 8c18e5e8793565565f08096e26948796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.907128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008301/publication.txt
observed 3b5664f71ca56ea774eddee31cedc142...
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.