OpenTechnical

OT-2026-000044785

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000044785) never changes.

Identity and time

Publication numberOT-2026-000044785 · never reused
Internal UUID01a0ae7c-911b-79cd-8dc0-f715393977b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044785
StatusPUBLIC

Content hashes

Canonical text1a3db684a869639154492907aaff735538fd66383b01153c518a3013f473cb7b
Markdown0da7c42f222dc71b062938fe5b0b3d451a49379e2479122b6423d99f882deebb
PDF
Publication page1a97cccc8acec493e1853b269a1583fb5678058f4ca55a6c40b4d18028f6d0d2
Manifest092ca87a3e406c993d41b5cdf8ec3a42a59eabffc0d4c2e301658496a80cbf55

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
SignatureMZNvf+Bl52cYcXhoMB9nUOk4f0X+TIQqhSxa6ASbFF8iQwfC5yAJYHbkP2RUTzYCT9uJ8fKzgQdRcpv7Raz8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:24.687779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044785
observed 1a97cccc8acec493e1853b269a1583fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.670113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044785/manifest.json
observed 092ca87a3e406c993d41b5cdf8ec3a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.652100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044785/publication.md
observed 0da7c42f222dc71b062938fe5b0b3d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.632793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044785/publication.txt
observed 1a3db684a869639154492907aaff7355...
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.