OpenTechnical

OT-2026-000053085

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000053085) never changes.

Identity and time

Publication numberOT-2026-000053085 · never reused
Internal UUID01a0ae84-a431-78fd-b18e-eff68f392b2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053085
StatusPUBLIC

Content hashes

Canonical text24663dcc195c812004374ea5c91c4bf6aa0a4e500d946fc457e52049c06cce4e
Markdowne8885a81b1559fb46dca36d4e4f9e18679f881da0fd3eb9e9bdb16753c7d9632
PDF
Publication page7cdc0fe24cfc1f836ee6c0388245f1ad53545bd74cb8ec518fcf207e1c5a6dd4
Manifest9e957377bc630bb43c7f45f90c2783052e55e9238d67954f25063827b7f2b062

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
Signature7sf0mTWZ+gt/FKqsxegiR/bR0ui4A4mMF0vB4VHqUFvoKwb7K4UcK9Lh3KEkXxjNukGqZ0J4CkGVfHOnox65Bg==
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

2026-09-17T10:56:48.299114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053085
observed 7cdc0fe24cfc1f836ee6c0388245f1ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.281779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053085/manifest.json
observed 9e957377bc630bb43c7f45f90c278305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.265492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053085/publication.md
observed e8885a81b1559fb46dca36d4e4f9e186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.248050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053085/publication.txt
observed 24663dcc195c812004374ea5c91c4bf6...
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.