OpenTechnical

OT-2026-000054589

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000054589) never changes.

Identity and time

Publication numberOT-2026-000054589 · never reused
Internal UUID01a0ae86-1283-77e9-8ec2-0bdcb1bf654f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054589
StatusPUBLIC

Content hashes

Canonical text95d27d385f086ecb5fd4680248962459c0421c2be51913f94638d9d2069fce08
Markdown683b5e3d59c933530c1223f481b117dd0c7a1f14ef1e943ebfec04b58600c602
PDF
Publication pageda688391f1b369cc86ed70ba34b1668d7c334ca703ac45a2626492c8f6c21e60
Manifestb5756ebcd079377ca350254301389ce14a90b93e51ccbe5962cdcb76454ed62a

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
Signature7kWBd+4L22VWJ1+aa41Ybx216uK3L9vUsl3vyffZ61zjhLQtf2iXruxO+lOtZxNedhJEeVl1EpkZZRhyCpbtAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:38.363901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054589
observed da688391f1b369cc86ed70ba34b1668d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.345785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054589/manifest.json
observed b5756ebcd079377ca350254301389ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.327167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054589/publication.md
observed 683b5e3d59c933530c1223f481b117dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.309911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054589/publication.txt
observed 95d27d385f086ecb5fd4680248962459...
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.