OpenTechnical

OT-2026-000066544

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000066544) never changes.

Identity and time

Publication numberOT-2026-000066544 · never reused
Internal UUID01a0ae8e-ce41-79c4-9f90-7d53ab61e084 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066544
StatusPUBLIC

Content hashes

Canonical text4155f7611793929b92dc6416f07f1be278ab390999a927495cac1886d41fa745
Markdown8044c3deb1d3d394dcee553dceea22520683a3ce927e73c7d61540af681bf4ea
PDF
Publication page5986b15f89f1622560b4515afd004dd746466faa46a16e6c35437f2ec0e53df2
Manifestf74df901109d8f05c6788cd15519e99afc707e070f564fe34adca246f1cea40e

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
SignaturebfNA+jGRg2V1d0HgdWcnlIR8BfqGDhouq1ytA8LcJvoSZruZ1/+bks1hm+Nntd1hlCocWtMUAy/26TGxz8GZBg==
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

2026-09-17T10:32:48.683670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066544
observed 5986b15f89f1622560b4515afd004dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.667579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066544/manifest.json
observed f74df901109d8f05c6788cd15519e99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.649904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066544/publication.md
observed 8044c3deb1d3d394dcee553dceea2252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.633580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066544/publication.txt
observed 4155f7611793929b92dc6416f07f1be2...
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.