OpenTechnical

OT-2026-000057909

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000057909) never changes.

Identity and time

Publication numberOT-2026-000057909 · never reused
Internal UUID01a0ae88-6ed9-7748-8ab7-2de4b3adc2f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057909
StatusPUBLIC

Content hashes

Canonical textc35b1b3cd467664410c7501ccfba7d03a0915aec7436cb6183d3e5e508fc8c84
Markdownc872b277fd6dc3ef0719df5f2a39df3953fb8a952647613030b7869ea18d6da7
PDF
Publication page94b54639313da9d9647d2a43b427e5d75456dc8a05d1df648db7bb60c0286d1f
Manifest4fb74748454a2247af4d924e5ea017efb6910ce9c07e5d2469346b9147a7597b

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
SignaturebZ2y+HXeFOqo5ANi5PdFCjGv2mZQ/Uskl+TofXViCVpB/y6dv7nAX103nSpVAbROnX9y7uzsTwGfrInduv3EDw==
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

2026-09-17T10:47:30.844179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057909
observed 94b54639313da9d9647d2a43b427e5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.824012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057909/manifest.json
observed 4fb74748454a2247af4d924e5ea017ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.807863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057909/publication.md
observed c872b277fd6dc3ef0719df5f2a39df39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.786422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057909/publication.txt
observed c35b1b3cd467664410c7501ccfba7d03...
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.