OpenTechnical

OT-2026-000029168

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000029168) never changes.

Identity and time

Publication numberOT-2026-000029168 · never reused
Internal UUID01a0ae73-2aa0-715f-bd43-94d011b7072c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029168
StatusPUBLIC

Content hashes

Canonical texte7c1fc6e97bb6714be360120e8f6a2cdfdfdfa1301eec061c6631563ffc9e54f
Markdown8d6e52f9990e9e58d01f0ed37a42785be43cd255f3c62c6ea4a786aaad8d35f4
PDF
Publication page6341170475509456a44c779dfa479290a93221ecf1b5155a55375e0c81d90df3
Manifest2b90071098589d8ea895fb879ec8a770e49f1c1e6489bfabc4d6051840f18bdb

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
SignaturekKHt3/U1laAipLC3+QfHx2KjJVw5SVJr4r+rqBxaGd0AplbDTmReWHSCFqSr1ie956w2TjQbV9A/soqRw+LUCQ==
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

2026-09-17T11:39:39.952586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029168
observed 6341170475509456a44c779dfa479290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.933583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029168/manifest.json
observed 2b90071098589d8ea895fb879ec8a770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.913993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029168/publication.md
observed 8d6e52f9990e9e58d01f0ed37a42785b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.892126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029168/publication.txt
observed e7c1fc6e97bb6714be360120e8f6a2cd...
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.