OpenTechnical

OT-2026-000057871

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000057871) never changes.

Identity and time

Publication numberOT-2026-000057871 · never reused
Internal UUID01a0ae88-6ed8-78a8-b0d4-6d2ee14f9a5e · 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-2026-000057871
StatusPUBLIC

Content hashes

Canonical textc55d4e5f503f1804beb6c0b7840efa6ce1be44f70099f034112beca2f9b1b68d
Markdownf52e943f5644db57f3474d9f8e59b5143855a81b9c4ecf079c0bbfc6e1371671
PDF
Publication pageaf5c4c2d3e7c98c75813f152be74705199d90fb76a12e65b22618b0e9556c479
Manifest06e4376709c02a286590352d088bb7f25bdf7a0aa0f1aa9dfb46d5fff1512930

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
Signaturelmx9Z4HwXVidHKcbe3pk8jCuUbKU/iTKfdSLbMz+3YLTzmtc7hROPJHzft8vCIfQpnoNMURUb2XDy6pzvcpYBw==
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

2026-09-17T10:47:27.421889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057871
observed af5c4c2d3e7c98c75813f152be747051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.404234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057871/manifest.json
observed 06e4376709c02a286590352d088bb7f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.387176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057871/publication.md
observed f52e943f5644db57f3474d9f8e59b514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.370036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057871/publication.txt
observed c55d4e5f503f1804beb6c0b7840efa6c...
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.