OpenTechnical

OT-2026-000039553

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000039553) never changes.

Identity and time

Publication numberOT-2026-000039553 · never reused
Internal UUID01a0ae78-d8d3-7567-9e1c-3636bc2006b4 · 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-2026-000039553
StatusPUBLIC

Content hashes

Canonical text87e2fc16b30c37ec46071bc9f508a0ed0f67d908826124d57138590484c6f746
Markdownd17bc88683ede4aac4f5252b2f3f7a05ac6704cc85f1761994cb3962698926a9
PDF
Publication page3157485c32b09739398438f1454230bfd71177aa56aec4970bcdc621269c66e7
Manifest1e1da36d510e03bdc66d2565159f93326e7f65a57f2630501fe0bd094f0bb475

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
SignatureZ3YJ2mzEaCNu2bh5QAGOtyOi8rN7dL7mSAXoA7tvbZl7l8Wkhdzd/ADvDF8/sXkFvTXz/5vReajX/o5cVj5tBA==
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

2026-09-17T11:19:40.924348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039553
observed 3157485c32b09739398438f1454230bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:40.908037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039553/manifest.json
observed 1e1da36d510e03bdc66d2565159f9332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:40.887440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039553/publication.md
observed d17bc88683ede4aac4f5252b2f3f7a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:40.869649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039553/publication.txt
observed 87e2fc16b30c37ec46071bc9f508a0ed...
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.