OpenTechnical

OT-2026-000056857

Publication integrity record

Four cup vacuum gripper, four 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-2026-000056857) never changes.

Identity and time

Publication numberOT-2026-000056857 · never reused
Internal UUID01a0ae87-7af8-71c0-8d53-92d14001abf3 · 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-2026-000056857
StatusPUBLIC

Content hashes

Canonical textec34b5597a16a0742ab0ea2b55c569d005bcff5f310d90a3ab3d17a78ff4048d
Markdown5933692300c5f898bb625941b41db5432bbdfe17b6693bec7014d8fa9b4d0ca8
PDF
Publication pageecc56135317cf7ecac609542aa1ae2062ee98d65b5d94f74ac3a4574707f0f50
Manifest35ed1445cc000e67fc21ae36752e64db8af2fa4b58f2f67bb2c920cd7de04847

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
SignatureWUZJP90o1Q/sZrduGAsSnCEO3qULb9wSOPF2FhjNfzgncs4ZZiiNPNVQ5GEvBImObLYK5hggBZblsvfLlPWlAw==
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

2026-09-17T10:50:21.587050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056857
observed ecc56135317cf7ecac609542aa1ae206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.567917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056857/manifest.json
observed 35ed1445cc000e67fc21ae36752e64db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.549917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056857/publication.md
observed 5933692300c5f898bb625941b41db543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.528427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056857/publication.txt
observed ec34b5597a16a0742ab0ea2b55c569d0...
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.