OpenTechnical

OT-2026-000057577

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000057577) never changes.

Identity and time

Publication numberOT-2026-000057577 · never reused
Internal UUID01a0ae88-2693-7154-b732-c4b0ec57c7ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057577
StatusPUBLIC

Content hashes

Canonical textc9c6ae364610d7bb765ffcd1f7e0d2ba7ed65ed42b871723c9cded5cc8cc3104
Markdownd05aa20063913ea839b861b93aa2e5fa72a83579d6c0a3942a3698cf7c955399
PDF
Publication page84a24b6cb92ac7a76fd82524a02d77d4d63305b21da77c33393ad881eb5a303d
Manifestcdce1d335e339cb4566c567210fdc0eaa302a856b4d37e0cc4eb0e1923311410

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
SignatureKAaAZZCLUbXD3KLz6E/eEPXl+wy9uD8rgSCDtCP8lE6XFIfvWANoAl4pzIFrHnfq7Udxg0XTFiovHR9y05CrDA==
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

2026-09-17T10:48:07.359197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057577
observed 84a24b6cb92ac7a76fd82524a02d77d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.341641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057577/manifest.json
observed cdce1d335e339cb4566c567210fdc0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.324811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057577/publication.md
observed d05aa20063913ea839b861b93aa2e5fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.308534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057577/publication.txt
observed c9c6ae364610d7bb765ffcd1f7e0d2ba...
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.