OpenTechnical

OT-2026-000055211

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000055211) never changes.

Identity and time

Publication numberOT-2026-000055211 · never reused
Internal UUID01a0ae86-a0fe-79a8-88e3-eddf355707b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055211
StatusPUBLIC

Content hashes

Canonical text34f8b12d0cad8d300ce38530248997d99830df98f283ccba4441258e76f447bb
Markdown29ce1dcca76f19ded974aebe4d2d1863f50ec25c7c005cc74e666c0f36daa772
PDF
Publication page315a084bf3dd40af5d355e7ddc13571622328ff9bcff0408f4899371928d9f69
Manifest2802a1b500b241369c016ae61ed25e86b943c2e23263671b499e2a8df18e11a0

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
SignatureRzU3A29r4JcVlAWGWCXJqH14azhIQ4zRogOwOeDMpQ2Q3QnERHnGPqIJJ+0tOd+OpSXAtlHDApsniotvwjvtCg==
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

2026-09-17T10:51:47.277469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055211
observed 315a084bf3dd40af5d355e7ddc135716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.258942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055211/manifest.json
observed 2802a1b500b241369c016ae61ed25e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.240564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055211/publication.md
observed 29ce1dcca76f19ded974aebe4d2d1863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.223442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055211/publication.txt
observed 34f8b12d0cad8d300ce38530248997d9...
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.