OpenTechnical

OT-2026-000032213

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000032213) never changes.

Identity and time

Publication numberOT-2026-000032213 · never reused
Internal UUID01a0ae74-f7a7-7575-83a3-6f2dcb84c756 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032213
StatusPUBLIC

Content hashes

Canonical text0ff5cc8c35e9ceb10858c42c72afb5a795344755068504c96be5a0bbf4757817
Markdown40ada4ed113d4220f0151c0655010aacc9ad3d2ed0d0253aafc28ac0a5f9b5a0
PDF
Publication pagef729450208558f95dfafee6b73e77e9a5daa8c0f7d8db593c761ff3a49b83a6d
Manifest60782bd5deff2ea09cda43556aa76ac62c7ff955342a423fe50ea3f8e7615f59

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
Signature8Ae8+hQnkysoLuQ8mpdNH9LAn8Iispnj/iFvzB2aCkVrrA28rECscEi/KQDZfkcFEQnlirHeEt0zQ2/dkxRdCQ==
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

2026-09-17T11:34:33.681555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032213
observed f729450208558f95dfafee6b73e77e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.663978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032213/manifest.json
observed 60782bd5deff2ea09cda43556aa76ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.646530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032213/publication.md
observed 40ada4ed113d4220f0151c0655010aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.629978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032213/publication.txt
observed 0ff5cc8c35e9ceb10858c42c72afb5a7...
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.