OpenTechnical

OT-2026-000006210

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, pump fed, vented after set down

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-2026-000006210) never changes.

Identity and time

Publication numberOT-2026-000006210 · never reused
Internal UUID01a0a953-0ebb-75cf-aea8-d4705b7a1ff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:26:27.902725Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006210
StatusPUBLIC

Content hashes

Canonical text7e943f689a84c9184e0116f149d942b33cf02bb25537c44b3ebe87c133786de3
Markdown8e2c2bb8fe619d4b16edb92794d60b64e512c3a798c0f3710137ab943bbb607b
PDF
Publication page62774a21e114ffd765fed4db7599dcc09bce25f470520b2e34442305059be479
Manifest3de759623ef481d245b2d89d5490effec98933d57ca68d5f18787b8d6050fb5d

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
SignaturekOr/ivwDOiXF83daC0dr4fo8ukahM+YTteMWbST29ULCubviTAlKPA/s352SViJjrRg3cKgv7VMDaZEIOz5VAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:14.711572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006210
observed 62774a21e114ffd765fed4db7599dcc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.698984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006210/manifest.json
observed 3de759623ef481d245b2d89d5490effe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.684717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006210/publication.md
observed 8e2c2bb8fe619d4b16edb92794d60b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:14.671156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006210/publication.txt
observed 7e943f689a84c9184e0116f149d942b3...
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.