OpenTechnical

OT-2026-000056725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000056725) never changes.

Identity and time

Publication numberOT-2026-000056725 · never reused
Internal UUID01a0ae87-7af6-741c-b970-d677eb3d16e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056725
StatusPUBLIC

Content hashes

Canonical textf2b0e1c2809794b72e674ac828320e5e5e0e752ac1db7f8bec51f90791311224
Markdownaa9026785d8f5eb7858236d4182d3dd7689fa79ac25eaa1d2a2a472d7f478fac
PDF
Publication page77247c4540eac8c4ff4010b8a97f87015237453250d58412b505513d6b6bc0cd
Manifest64113a561c178e7fb654ccbed99e3b8c627152ef4e3e921dfbdc048e984dcb41

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
SignatureLqYM1yjChRrKKtCvMin0S7y8cmhJqxyNrFKBL+K1B/kzjP3FHmnDGxi2XNQ/q6uhZgF1PxGuUkcjQcKAwW6uDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:09.659590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056725
observed 77247c4540eac8c4ff4010b8a97f8701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.638258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056725/manifest.json
observed 64113a561c178e7fb654ccbed99e3b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.621423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056725/publication.md
observed aa9026785d8f5eb7858236d4182d3dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.599398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056725/publication.txt
observed f2b0e1c2809794b72e674ac828320e5e...
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.