OpenTechnical

OT-2026-000039889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000039889) never changes.

Identity and time

Publication numberOT-2026-000039889 · never reused
Internal UUID01a0ae78-d8d6-75c1-85b5-68fafe1d5639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039889
StatusPUBLIC

Content hashes

Canonical text8f69c0280b668c3f4385e691ff533371066c85b2c361298607ec56bc1cefb774
Markdownb57dcb9f4186fda1b39e646ed260dabdd1e177aa423dae6bc7d5d6899a98f20c
PDF
Publication pagedfd878869a39d10421e9b1dbf6eb733f96663ba5b4b84a3e64074fb5364ffb21
Manifestf4ac9d5b52a3dae207a377bb8b1a4a82ab7074809e0e85bd3174664d83f2efb8

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
SignatureW/DRNpURZN9ZenhjoD/rnPyXGwmn1g6mDo73KgJyRNhpYmSGs6tP1YMayMu9MOtHknBIB+c+d89z57edQWxoBg==
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

2026-09-17T11:20:10.560961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039889
observed dfd878869a39d10421e9b1dbf6eb733f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.541902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039889/manifest.json
observed f4ac9d5b52a3dae207a377bb8b1a4a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.520765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039889/publication.md
observed b57dcb9f4186fda1b39e646ed260dabd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.503698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039889/publication.txt
observed 8f69c0280b668c3f4385e691ff533371...
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.