OpenTechnical

OT-2026-000013563

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000013563) never changes.

Identity and time

Publication numberOT-2026-000013563 · never reused
Internal UUID01a0ae6d-6fcb-771d-befa-463e7903d133 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013563
StatusPUBLIC

Content hashes

Canonical text59322d386e38af8031d0f65862aaf7e450e0504f900de1d5edccaf3708350e6d
Markdown9ea12fb4c0ab036586429de1ed3f591c032ea5b4452884f4a3b7633947152304
PDF
Publication page0aadec23aa139ae9f54718b429d1fb511f100c15fd5182fd59ca384c55560784
Manifestab0c21df0c6ebfe7f060b65b8cde8ab0c2750542124c95f01b0e882202d4889b

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
Signaturez7DCUoreJWwZXGspvTxfs1xwxAi1oi1B4Vy0e5oTcSi8uyYYbUjFY+Tz/R4w8YkTULUwiaPAdBW2qhPpzOZ9CA==
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

2026-09-17T12:10:06.496018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013563
observed 0aadec23aa139ae9f54718b429d1fb51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.477013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013563/manifest.json
observed ab0c21df0c6ebfe7f060b65b8cde8ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.458819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013563/publication.md
observed 9ea12fb4c0ab036586429de1ed3f591c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.438635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013563/publication.txt
observed 59322d386e38af8031d0f65862aaf7e4...
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.