OpenTechnical

OT-2026-000055753

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000055753) never changes.

Identity and time

Publication numberOT-2026-000055753 · never reused
Internal UUID01a0ae87-09cb-778e-8a1e-d576f0fbcfc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055753
StatusPUBLIC

Content hashes

Canonical text4232d4aecdbd6c3985b8f1786eaa873b84e7d14d00446a24e38404d5065759bb
Markdowne9b4cff7b19fb6e69890ada6171f67e8d46549883b8bb2f43699bb6d4602d101
PDF
Publication page7860894e2c26d30fb46f162b60e676ff5387e78d5ae5fb2a53ab4ea5bacf71f1
Manifest7e45c035582a1b5164dba92251ee4195d742406a43e96a270348147b72cca898

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
Signaturel7pEBGxr/6bq8EE4EKQ8f7/LONfhHrgp91dmmXrBa4IY9y2L39wd9/Gok7IgJkAcxkEslvqeArI0zCFN/vaEBw==
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

2026-09-17T10:51:06.189671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055753
observed 7860894e2c26d30fb46f162b60e676ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.171623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055753/manifest.json
observed 7e45c035582a1b5164dba92251ee4195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.152693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055753/publication.md
observed e9b4cff7b19fb6e69890ada6171f67e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.135383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055753/publication.txt
observed 4232d4aecdbd6c3985b8f1786eaa873b...
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.