OpenTechnical

OT-2026-000073841

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000073841) never changes.

Identity and time

Publication numberOT-2026-000073841 · never reused
Internal UUID01a0ae93-2b8d-7fc3-b337-10df2c0f3f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073841
StatusPUBLIC

Content hashes

Canonical text0c9f987e02b6fa474c7279b70c2a2887ddc3f10d869493dd03f4e798a3cde57e
Markdown0cc9db63315635e8dcc5620a9628d8badbb8c191e62917aa6d47081cda7b9c15
PDF
Publication page308d130acee69a8d02eeab74fa9d1ea4ccfe0e0039d5c6c3fbc5a2fa959c9f96
Manifestf808190542e7f89403a283afa7d7aeba35522f0ecfbc021b031808d3bffbf673

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
SignatureyDT5UI+ibT9oeXnfQDdj5ca4DAjHv/4h3qSeoUWUlQb67hCHMeuKzfbOUJOQH8thPZ8YAsO7smIA1+usxj+pBQ==
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

2026-09-17T10:19:58.389132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073841
observed 308d130acee69a8d02eeab74fa9d1ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.370418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073841/manifest.json
observed f808190542e7f89403a283afa7d7aeba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.350890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073841/publication.md
observed 0cc9db63315635e8dcc5620a9628d8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.331056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073841/publication.txt
observed 0c9f987e02b6fa474c7279b70c2a2887...
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.