OpenTechnical

OT-2026-000044188

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000044188) never changes.

Identity and time

Publication numberOT-2026-000044188 · never reused
Internal UUID01a0ae7b-d67b-727a-86f4-4326c16ba8ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044188
StatusPUBLIC

Content hashes

Canonical textd9574b14634d45262831c0ab509621c5f61fba219723cf0693a2ca99819991d5
Markdown006ccf871ac1ea4ac5602512196c249bc87f334ea4fa9295cb9ef6a525fccaf0
PDF
Publication page349475ea5e22b12ac1e0f6e4605727c90b8e2a71ac173edc481ba8e42bb7ee40
Manifest370aa845d83294d729650d3e9ac28bc556464371b8b4e922b748274cc50122fd

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
SignaturenpuSe9ztk5NZLYl+KcO2tdHw1F0xZflIc/28tqcNGVwDg7vUuuqAOlNHfVybmHIpfvXYVl8t6+WAumE/IP6zBg==
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

2026-09-17T11:12:37.606967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044188
observed 349475ea5e22b12ac1e0f6e4605727c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.589609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044188/manifest.json
observed 370aa845d83294d729650d3e9ac28bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.572081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044188/publication.md
observed 006ccf871ac1ea4ac5602512196c249b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.552518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044188/publication.txt
observed d9574b14634d45262831c0ab509621c5...
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.