OpenTechnical

OT-2026-000023389

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000023389) never changes.

Identity and time

Publication numberOT-2026-000023389 · never reused
Internal UUID01a0ae70-7268-7b9b-82de-5287c9b0bec5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023389
StatusPUBLIC

Content hashes

Canonical text8d4c0bb81e234a0909c7b817417c9553d3d7de9bc8f5ca1e7486083485d7128a
Markdownd6901bdf87863ecac02f736b18e371f78ba158e737138039f96e5128a1bafe3c
PDF
Publication pagece73d43891926114ca9f06d8aaebe146f9988cffdc67c27c00cd9c6a883c5f13
Manifest9d74d32385954792e9515001efe567be426847a568a1c3c1f71af0a0e67d6fd6

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
Signatures+dzgpla84JKzgHYB6chDkS26G/bfPR7YYHuBnnTzeFMAqSeHdhrEa43OVJTP/nU0yUEeXrYHaG58J2y6vEsAw==
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

2026-09-17T11:51:35.426413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023389
observed ce73d43891926114ca9f06d8aaebe146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.407962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023389/manifest.json
observed 9d74d32385954792e9515001efe567be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.390227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023389/publication.md
observed d6901bdf87863ecac02f736b18e371f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.371858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023389/publication.txt
observed 8d4c0bb81e234a0909c7b817417c9553...
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.