OpenTechnical

OT-2026-000017181

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000017181) never changes.

Identity and time

Publication numberOT-2026-000017181 · never reused
Internal UUID01a0ae6e-76c7-7003-835f-7957434bf672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017181
StatusPUBLIC

Content hashes

Canonical text8c776d2f8194649877a28153322a4e35d2b107570b5b3fee1c72b3c3e4ad3ba9
Markdownc5b83582b371d191fd48564ab103a3c86a5e5f1d7115352be25376e161b07adb
PDF
Publication pagec250a90d2e5a4d57a30e09c907634f7466216f10f2d53cda0e38bf8d7116d3a5
Manifest91f98906c5e1ca5153b5f9034145bfa7fd640450ed3fdea676422ae464b2ad3a

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
SignatureqknYmv8oyaSCxLmaeM50n0Krh6SmZ9xXwxXp1uNo17jKY1AaVmX03cLa++KPB/b7a+VrMxJE8s1SlRSPB5oNAg==
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

2026-09-17T12:02:14.913478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017181
observed c250a90d2e5a4d57a30e09c907634f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.896327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017181/manifest.json
observed 91f98906c5e1ca5153b5f9034145bfa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.878132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017181/publication.md
observed c5b83582b371d191fd48564ab103a3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.861006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017181/publication.txt
observed 8c776d2f8194649877a28153322a4e35...
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.