OpenTechnical

OT-2026-000026554

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000026554) never changes.

Identity and time

Publication numberOT-2026-000026554 · never reused
Internal UUID01a0ae71-f4a9-7f34-ace0-a721388c2808 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026554
StatusPUBLIC

Content hashes

Canonical text28bbcaa826e07467d0e20667d7df988d9f17e79ce2db62cacd8c60e90686ccd2
Markdown566079217090a277e44784a76fba4238c7392052093cf46ec64f8d73962b13a8
PDF
Publication page4b61bfe947e0eca07df2de468c7aa7487e332c9b526f9d46b3851ff22b9071c5
Manifest07167b2b5506e9b0aceae86aa7f83d4e1250ccffb377c20e9aee2c64936f4189

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
SignatureUMg18DO74CmVXo06e10jzoL2FWkMgx/KGikcdu5a/37sfATfHMWFddBlorVjwaKJncuraUv3b3tOsQsCtmx1AA==
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

2026-09-17T11:44:41.019880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026554
observed 4b61bfe947e0eca07df2de468c7aa748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.002048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026554/manifest.json
observed 07167b2b5506e9b0aceae86aa7f83d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.975461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026554/publication.md
observed 566079217090a277e44784a76fba4238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.948574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026554/publication.txt
observed 28bbcaa826e07467d0e20667d7df988d...
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.