OpenTechnical

OT-2026-000034577

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000034577) never changes.

Identity and time

Publication numberOT-2026-000034577 · never reused
Internal UUID01a0ae76-1ed0-7d84-bdc1-ad6d2c446bbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034577
StatusPUBLIC

Content hashes

Canonical textf9640aebd54b21c256d66ef5882dbc8ad6a3f95d1307f7b8a982743b749e139f
Markdown21f87397c0422e02b6e9e44d04c1fff2be0922bc6084d0deadbd3d0935b2f56f
PDF
Publication page523dd4c4f1726bd38ef9c17e3b763142e778f9d702b61d1055f850680c2f5e81
Manifestc942e78e814c38419a3b4ab0232d9f2605591c992de3b0984dcab90b5373d9f5

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
SignatureIx2Olv5Bo/iwG8NvArrMLcqntw5aMqyqOT8nYRBfZFsluNxfoE8iu6PDWoWa8xnBGrgUqirepK3gzKVGFUhTDA==
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

2026-09-17T11:28:56.803070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034577
observed 523dd4c4f1726bd38ef9c17e3b763142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.785403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034577/manifest.json
observed c942e78e814c38419a3b4ab0232d9f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.767801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034577/publication.md
observed 21f87397c0422e02b6e9e44d04c1fff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.746705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034577/publication.txt
observed f9640aebd54b21c256d66ef5882dbc8a...
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.