OpenTechnical

OT-2026-000039457

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000039457) never changes.

Identity and time

Publication numberOT-2026-000039457 · never reused
Internal UUID01a0ae78-9675-76f5-948d-2a8d8783d067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039457
StatusPUBLIC

Content hashes

Canonical text2881323e7ae7d1da7fbee2b4e9eab411e6ea24e27a74b1beb4fd857fbbc9a376
Markdown3a178d4a99e3a6300d90b0432edd5b52c29e9f8a54797edeeeb7f34b639d4c26
PDF
Publication paged30c3b3e7b37ec05aed41157af7436eabf3bc92bb4668b37bd3a9a5c4859e85f
Manifestbe97ff2d2adccab399952fdbf3f908d898ccba245e645ca9394f168f3cc91e95

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
SignaturePgYwNZQ6pBxB8DHEvGLY6S1WqF0HZaZe05zs2OkSQDMQQKncaEOpaD1hFXnvfkcxIHrIrwL34HQoKeCt8cLsAA==
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

2026-09-17T11:21:04.740629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039457
observed d30c3b3e7b37ec05aed41157af7436ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.722206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039457/manifest.json
observed be97ff2d2adccab399952fdbf3f908d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.702429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039457/publication.md
observed 3a178d4a99e3a6300d90b0432edd5b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.680104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039457/publication.txt
observed 2881323e7ae7d1da7fbee2b4e9eab411...
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.