OpenTechnical

OT-2026-000026167

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off 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-2026-000026167) never changes.

Identity and time

Publication numberOT-2026-000026167 · never reused
Internal UUID01a0ae71-a841-7c18-869d-7016a729dbb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026167
StatusPUBLIC

Content hashes

Canonical text533d679191018ddabe7ade2b6fc173ad096c203c81b3136ea88ad2e62068672b
Markdown2e803b7e3e1d56ccf8478dc68b031a13837f54dc7c49bca47f4c027527fb8a1d
PDF
Publication page09d7d755262ec5b15be6fc88d0c8ec784d240a6a6363630a08d0a7a0530ac2dc
Manifesteda99043589fc00f4c8551d2b7d99b2494581d2831a507596c9da29dc5ba34d0

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
SignatureTFte4gFKtmWpFrlf05VAy/aqOzWROiNh85IVsIFOU2oc9OFcBmAlkBJFo5kRkkRgZum66w54DtZj2LO/IEsbBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:46:40.686146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026167
observed 09d7d755262ec5b15be6fc88d0c8ec78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.670040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026167/manifest.json
observed eda99043589fc00f4c8551d2b7d99b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.654079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026167/publication.md
observed 2e803b7e3e1d56ccf8478dc68b031a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.635657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026167/publication.txt
observed 533d679191018ddabe7ade2b6fc173ad...
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.