OpenTechnical

OT-2026-000039331

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000039331) never changes.

Identity and time

Publication numberOT-2026-000039331 · never reused
Internal UUID01a0ae78-9674-7ef3-94a4-4fc0c14b855d · 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-2026-000039331
StatusPUBLIC

Content hashes

Canonical text938205b385a6eb7f869cffed84f89f7df730698d5973a6414a196baf2f86e73c
Markdown0082a38623d4cc4b6f729e68f609d596acd28fe3138875b6ad333590c8977b70
PDF
Publication page5d9d16d4dd8c733515620acb0fdd61bb91c1bdf1e5a8a31e8c193bdf7c670d42
Manifestd93744a273e46a8ecc431976fa0d63b45ee9063c1d1ab8a20cac2d81edfdceb3

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
SignatureyfwXP+ks0H5cQCRkWL+Gnx7STmKd002irAUO3i9Kk8fGF98tKHlvqbNUhlxIEPScLdGk3VqJ1V9q4wQqHn+TBA==
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

2026-09-17T11:20:55.625015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039331
observed 5d9d16d4dd8c733515620acb0fdd61bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.608724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039331/manifest.json
observed d93744a273e46a8ecc431976fa0d63b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.591741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039331/publication.md
observed 0082a38623d4cc4b6f729e68f609d596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.573142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039331/publication.txt
observed 938205b385a6eb7f869cffed84f89f7d...
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.