OpenTechnical

OT-2026-000053834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000053834) never changes.

Identity and time

Publication numberOT-2026-000053834 · never reused
Internal UUID01a0ae85-735d-73ef-bd26-a40dfc9540e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053834
StatusPUBLIC

Content hashes

Canonical text91dff5ae7ba0a13b479671bcc651c9185479a71c69719980417029dd07daed69
Markdownd8ef45cec7abe0249a38794bce1f7b5cfed6a247fbcd2ca754bfebcbcb837861
PDF
Publication page0f1343e5bff0c55eb9a263d216ce3a42e3fa5ed9ec939435817d61d78538dac4
Manifest63e34c89b8dd61e3ae22dee1127efcf1ce835fa48084bed3e4b035d29707ef01

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
SignatureFjaX/FD+Sg5QY4zVtibffqw+679adc/hFieO6YNaFGXH0DNTZJEKLQGqpmPDt58V5q6/w+i4oD5c1IDTXqOyAw==
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

2026-09-17T08:40:34.894633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053834
observed 0f1343e5bff0c55eb9a263d216ce3a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.875867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053834/manifest.json
observed 63e34c89b8dd61e3ae22dee1127efcf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.857504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053834/publication.md
observed d8ef45cec7abe0249a38794bce1f7b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.840526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053834/publication.txt
observed 91dff5ae7ba0a13b479671bcc651c918...
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.