OpenTechnical

OT-2026-000016039

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000016039) never changes.

Identity and time

Publication numberOT-2026-000016039 · never reused
Internal UUID01a0ae6e-0c4e-7502-b6d5-17c4f90b5ed0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016039
StatusPUBLIC

Content hashes

Canonical text97662ea793f4117c3ae0825ed7ca588919646a53a79929fb1dba35e7f6ddb5cd
Markdowna7c4f6a4d033f5a1b2cf792a3523fa4bb6793196f087aad8582cca9bda564444
PDF
Publication page1aa9aef92b9773bd48f88fcd7489c0e2d2fcf188f339ebbe15618cb87578a694
Manifest32d8bf434533da80c1cfd2e82ca1d69d1741f7a62e3e824edd7d0991cd6276aa

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
SignatureiByAu/l/pVwdPjSCr8DuvORuCwtUmkdj1x+e1azraoWS27uPk2QJOHpg2hRPNxqZW7Uz3o7gI8C1nUNIV4MPBg==
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

2026-09-17T12:05:34.606513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016039
observed 1aa9aef92b9773bd48f88fcd7489c0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.585325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016039/manifest.json
observed 32d8bf434533da80c1cfd2e82ca1d69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.564868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016039/publication.md
observed a7c4f6a4d033f5a1b2cf792a3523fa4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.543424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016039/publication.txt
observed 97662ea793f4117c3ae0825ed7ca5889...
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.