OpenTechnical

OT-2026-000090099

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000090099) never changes.

Identity and time

Publication numberOT-2026-000090099 · never reused
Internal UUID01a0ae9c-428e-72bc-9134-18b27b7e2621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090099
StatusPUBLIC

Content hashes

Canonical text483f9ba0e2765e5d302bd668b06a666ce819187b4325c394c13501c436d60d54
Markdown3747fb81fb06b26c900098893c2820b3c19222b2944655d5d85ad6360860fad0
PDF
Publication page27c04796fb160e59a711cc98d145079179f869b11317032ad672040386a5c985
Manifest74a52b10770a1e728fca176c6e464accd7c4d935bc04f725a78eccbf6993d8d1

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
Signature+Fam37XdDwOotvdJmLbMVuIxTIinLPc70ijyFbnqLt5lP/t4PK/t9js1zn7/l9oCu8N90D1ZE/4VSSA4qVMfCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:31.352928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090099
observed 27c04796fb160e59a711cc98d1450791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.335165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090099/manifest.json
observed 74a52b10770a1e728fca176c6e464acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.313991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090099/publication.md
observed 3747fb81fb06b26c900098893c2820b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:31.291623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090099/publication.txt
observed 483f9ba0e2765e5d302bd668b06a666c...
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.