OpenTechnical

OT-2026-000084125

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000084125) never changes.

Identity and time

Publication numberOT-2026-000084125 · never reused
Internal UUID01a0ae98-5b5f-76b4-9146-50ad138034b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084125
StatusPUBLIC

Content hashes

Canonical textd4ccc852bb7761e6cd3798ac5144d2eb422ff6f83fa6e90d2a87551569b9a7c2
Markdown1894db34962797757b867fc6909c90e278948b37ef97cb7d3d1093244ec97d10
PDF
Publication page0342b58fd949ed7194b66853f0567a9183fcd1e3ecb2f812810bb824748269b0
Manifest70fc673d402d8b8f7d768398b4847c10956376c6a247cd39a92e7952eb91b4b6

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
SignaturecpJRi6iYxBaVJbG315ytbf2z7/mpkhHSVSbi/Pjl07rTtQAngfk5vWTEo1xm7sgEhSywIBFfHFCVGVgr2Fs+CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:53.155113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084125
observed 0342b58fd949ed7194b66853f0567a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.137672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084125/manifest.json
observed 70fc673d402d8b8f7d768398b4847c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.117713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084125/publication.md
observed 1894db34962797757b867fc6909c90e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.099289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084125/publication.txt
observed d4ccc852bb7761e6cd3798ac5144d2eb...
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.