OpenTechnical

OT-2026-000059742

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000059742) never changes.

Identity and time

Publication numberOT-2026-000059742 · never reused
Internal UUID01a0ae89-ec25-73e3-88ca-cbdf7a68ec6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059742
StatusPUBLIC

Content hashes

Canonical textd03bd4c0137f185e2496977df24109e92c988776fa596ef9b18b5d2bbcad887a
Markdown302f4231a76569825c982b9c6abe325ee3057ac794f13d42eefeb1950cb95755
PDF
Publication pagef80a51d2b530777f2a5b44a728c8b950f881a609cb582d50b1635f1b4da82d00
Manifestfc6da7967314968d2da109d1f4528891a638ec5eb32d00535d07156165356480

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
Signature5hz42Xty2dOOv9iUZ7lEW7MKvi/xjtTp5cnamZSszyoGYDX5OEHHl1EtDsPKOn3VTLjD0udRm7GDQQCDgWNYBw==
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

2026-09-17T10:44:27.867608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059742
observed f80a51d2b530777f2a5b44a728c8b950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.850218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059742/manifest.json
observed fc6da7967314968d2da109d1f4528891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.831060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059742/publication.md
observed 302f4231a76569825c982b9c6abe325e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.814043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059742/publication.txt
observed d03bd4c0137f185e2496977df24109e9...
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.