OpenTechnical

OT-2026-000033397

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000033397) never changes.

Identity and time

Publication numberOT-2026-000033397 · never reused
Internal UUID01a0ae75-8980-74cc-9d10-ee75da3180eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033397
StatusPUBLIC

Content hashes

Canonical text238594cdc20e8c53b12d74d81938d958097b99bc30441c3e48f3fd750eba2df0
Markdown8974b123c4ed23c4ba2f66b3dde89ca5feaa3718e7726d142daed392408cd013
PDF
Publication pagef1464ff9a46d16533069744dd34875953eadff42fccb673ae52c87ea24e12890
Manifestbdccaf677ff1e94601d022c84fbc9a858bbb8ce0659dca983cdae338eb79adf4

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
SignaturesNLwDdTgIA9cLUpzCWVpurN+B9PqRsbUPGHXy31YnJlThDWPS8XuMiSp+ngUNWrUxv8P85nFK9kf3ctKrn2mCA==
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

2026-09-17T11:32:10.550883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033397
observed f1464ff9a46d16533069744dd3487595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.529508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033397/manifest.json
observed bdccaf677ff1e94601d022c84fbc9a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.510527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033397/publication.md
observed 8974b123c4ed23c4ba2f66b3dde89ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.491348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033397/publication.txt
observed 238594cdc20e8c53b12d74d81938d958...
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.