OpenTechnical

OT-2026-000088921

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000088921) never changes.

Identity and time

Publication numberOT-2026-000088921 · never reused
Internal UUID01a0ae9b-8f11-7acd-a298-f734e5460471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088921
StatusPUBLIC

Content hashes

Canonical textdad612f028b03279072c2de3a46aab6dfca7809f08cad9ae7e72dfcf33ac221f
Markdownefa77ea877eb19b6035bb016d807a874da582c495f12318660eb0c1aa7558c99
PDF
Publication paged27a9b3cdd4ad679bf0b689173561434b2dc3e514f46938daf4665de6001e8c8
Manifest0517acacf334ff34598ab8bd127374b19307f897f996676ae4304821d422ad11

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
SignaturejQcH4MjnUqnMuAa80kGTjSmljc7yzXI/+lQc2TRrYKVXzxrD4pRA1q/XTLDhBRBK0JLlt0TEObsYU9JRDVWxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:19.719148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088921
observed d27a9b3cdd4ad679bf0b689173561434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:19.701786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088921/manifest.json
observed 0517acacf334ff34598ab8bd127374b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:19.684491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088921/publication.md
observed efa77ea877eb19b6035bb016d807a874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:19.667823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088921/publication.txt
observed dad612f028b03279072c2de3a46aab6d...
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.