OpenTechnical

OT-2026-000033802

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000033802) never changes.

Identity and time

Publication numberOT-2026-000033802 · never reused
Internal UUID01a0ae75-a391-7c3a-98ba-e6dd0cc8f09f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033802
StatusPUBLIC

Content hashes

Canonical textd3380282f77d50b30a743c786818915576b0745322a531c08b935ca08cab9418
Markdowne5d56c963b3cecedd5fbd423ac8b6051a50f8f8531b085d3e5e4c5af846f3d76
PDF
Publication page2f68fdd6923ae3db52d1d61f0b778e13a7ca7a2cb420ab120398f6f103a86516
Manifestbe958ccc83829a49ef54858b93cd0e8de50ac4c30f4c03dd5a88517e92a53e80

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
SignatureXhof2LRX7vdwuE/VTJVfDx6qGFd+pV2qOoVDCkNivqtfEHiHrknugX0a3LcsOJ4XGiLteZAwBD+3Kk75xdKEAA==
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

2026-09-17T11:31:50.754500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033802
observed 2f68fdd6923ae3db52d1d61f0b778e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.734498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033802/manifest.json
observed be958ccc83829a49ef54858b93cd0e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.715215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033802/publication.md
observed e5d56c963b3cecedd5fbd423ac8b6051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.697190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033802/publication.txt
observed d3380282f77d50b30a743c7868189155...
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.