OpenTechnical

OT-2026-000058981

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000058981) never changes.

Identity and time

Publication numberOT-2026-000058981 · never reused
Internal UUID01a0ae89-47a0-7cb9-b2de-28e18b82245c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058981
StatusPUBLIC

Content hashes

Canonical text5730a5104243dc97f3f97c383268382c7abab8d51ec4ee0ecfbc2a93ed4e06cb
Markdownd2eaa716c688ad0924e3c2275725dfcebbe9f94296e3aa2976096882e75461f1
PDF
Publication pagec8346b19f41ea2d18e7b9c6dd854c7f015b618bf47d5b77aa728b6bdd10e772a
Manifestaaed3d30ec3aca99b9d7388a58c20bf132bb73c4026dc5d2c04faa02f33bece0

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
SignaturePGxionJhV7wpmDvzxwg0upSZxXc/lovQy3LVHp1SOmc/p239UUw/8LWbMIRP7zpcW1kOlwxz4xc+qkhTWPP1Aw==
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

2026-09-17T10:46:33.870571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058981
observed c8346b19f41ea2d18e7b9c6dd854c7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.852971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058981/manifest.json
observed aaed3d30ec3aca99b9d7388a58c20bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.834682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058981/publication.md
observed d2eaa716c688ad0924e3c2275725dfce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.810297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058981/publication.txt
observed 5730a5104243dc97f3f97c383268382c...
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.