OpenTechnical

OT-2026-000048411

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000048411) never changes.

Identity and time

Publication numberOT-2026-000048411 · never reused
Internal UUID01a0ae80-4de4-71e0-8393-a1817001b245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048411
StatusPUBLIC

Content hashes

Canonical text261de59d9413f26aa3714e180fde71503fd94bee88a606e09d15cd589b0c35d8
Markdown1ecde6d3465a891d40108a9726496413661b8b21805e1c007bdea0454b5a1c59
PDF
Publication pagefeb5364d5f03fe0b499bd2e46be442ccc2073372866ba2cc52b4d5aaeab52003
Manifest2a59f9977c91091d741a758b776636130b31f9a14ceabf0d840baadbececace7

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
SignatureAC4u2oTRTylp6S9DVENJAp6a8VtFbv4qeAX4nwj2qvIO1QVQotyZ+HzARDrTLpXzObnE0dWFIsXn5tBfzv1ZBQ==
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

2026-09-17T11:05:03.141349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048411
observed feb5364d5f03fe0b499bd2e46be442cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.125209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048411/manifest.json
observed 2a59f9977c91091d741a758b77663613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.108830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048411/publication.md
observed 1ecde6d3465a891d40108a9726496413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.090496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048411/publication.txt
observed 261de59d9413f26aa3714e180fde7150...
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.