OpenTechnical

OT-2026-000058349

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000058349) never changes.

Identity and time

Publication numberOT-2026-000058349 · never reused
Internal UUID01a0ae88-f399-7248-901a-940e3728dc79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058349
StatusPUBLIC

Content hashes

Canonical textf0839394bcdda0f76f6421d8c46fa1605755154a00682ca3238cac6d17ad462d
Markdown652b7236634ab2a7694923f2c81907486f333340c002dec25b8d5fbaa64dafd9
PDF
Publication pagefdda0c079ecc15d0f6f286bc1e51074def7dcd75ba98ab3ada6e7daa7a20915a
Manifest38eec32747fc70be67f98ca58a188858f0feafc6f66736cf7b6f3e8822379117

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
SignaturegEY6+43sF86ROqb8zMU/URt8l8MvaZvET3RwfQYgJbCufWF9yD6jJbP/wr+/aw30f3/rUNXVX/SEmAn/ekdhDA==
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...

Independent retrieval

2026-09-17T10:46:45.740048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058349
observed fdda0c079ecc15d0f6f286bc1e51074d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.723698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058349/manifest.json
observed 38eec32747fc70be67f98ca58a188858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.708266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058349/publication.md
observed 652b7236634ab2a7694923f2c8190748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.689907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058349/publication.txt
observed f0839394bcdda0f76f6421d8c46fa160...
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.