OpenTechnical

OT-2026-000052026

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000052026) never changes.

Identity and time

Publication numberOT-2026-000052026 · never reused
Internal UUID01a0ae83-e78e-738c-9296-2f65e218b9d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052026
StatusPUBLIC

Content hashes

Canonical textcfbe8cb5701a8dd206b9f44c0d12ba3a93de9e31f64cd5d781730bfc4d63e26d
Markdown11e264503fd798f9caafcad9a61644595e77455459c36e44c9c70cba8caf1dcc
PDF
Publication page4e202975ff830fa65225fe96d1612e8ae33950d55b2ad0f396317afde9a246e9
Manifesteb5e65ff1e691b72b6f2a712a22c00982e5d46fc5f19b2b570e4f3b09b3ac34b

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
Signature6rTS3fc1UCyXfd82uJ0DSC2k7z4LVPwH3b+01EhM9AZwkYf0K/8R/IgI4ks/FmONxa8thnMjeCBd15+EADVkBg==
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

2026-09-17T10:57:32.299136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052026
observed 4e202975ff830fa65225fe96d1612e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.283079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052026/manifest.json
observed eb5e65ff1e691b72b6f2a712a22c0098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.266151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052026/publication.md
observed 11e264503fd798f9caafcad9a6164459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.249248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052026/publication.txt
observed cfbe8cb5701a8dd206b9f44c0d12ba3a...
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.