OpenTechnical

OT-2026-000051719

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000051719) never changes.

Identity and time

Publication numberOT-2026-000051719 · never reused
Internal UUID01a0ae83-7c83-7689-8eed-2e177b244c12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051719
StatusPUBLIC

Content hashes

Canonical textafc979df600d5fcce3e013b06df9ef7f510ee99d92f6c765c0c3975c408447ea
Markdown23a7e2cbee435e593dc7b33585e7fe44de7bb7a03569f5250140d10808a6ea89
PDF
Publication pageb2dbe74ac452c50c96a790d028c8a92babd2163b6a27226de1ba9a0664afc469
Manifest78f60d77a04a3d8623eb5259c22af4512a595897aa0d611fe0221e2a0a2d7067

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
SignaturefYoDpQTJvgtWnmkk9cPYoma+exmG34OJt95TOq54hyJbgxvVvTDT+GQV+kxSoQioga7y9nMLGMhJwWPQDWHnAQ==
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

2026-09-17T10:58:36.319111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051719
observed b2dbe74ac452c50c96a790d028c8a92b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.301489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051719/manifest.json
observed 78f60d77a04a3d8623eb5259c22af451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.282623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051719/publication.md
observed 23a7e2cbee435e593dc7b33585e7fe44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.265466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051719/publication.txt
observed afc979df600d5fcce3e013b06df9ef7f...
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.