OpenTechnical

OT-2026-000023497

Publication integrity record

Four cup vacuum gripper, four 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-2026-000023497) never changes.

Identity and time

Publication numberOT-2026-000023497 · never reused
Internal UUID01a0ae70-7269-7371-a65c-7498d723766a · 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-2026-000023497
StatusPUBLIC

Content hashes

Canonical textce2dc7c7398edde572a2f9e371fc6d9ee1eb531972844c754f645aeaf27511c2
Markdowne3814004818a1c02287018a36cc6bdd6ca51250490a3554e24c2892d532f13d1
PDF
Publication pageec25d3204a83feaba53f1f43ddaef39fb82c7ce57dd44182c9baa7c859e4524a
Manifestf91656e95a085cd2264669a08f63c1f7185edc11357da81146e9d311835b1d12

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
Signature5dfxhvMbMSoucyNMZtv91cdOQBw5HZqKhCiA0pzIJg/6ArjrYg8BCe95VnbItQC7MTOljP3wDoAKSa3SJ7dBBA==
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

2026-09-17T11:51:43.726519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023497
observed ec25d3204a83feaba53f1f43ddaef39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.709433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023497/manifest.json
observed f91656e95a085cd2264669a08f63c1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.691324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023497/publication.md
observed e3814004818a1c02287018a36cc6bdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.675196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023497/publication.txt
observed ce2dc7c7398edde572a2f9e371fc6d9e...
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.