OpenTechnical

OT-2026-000047760

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000047760) never changes.

Identity and time

Publication numberOT-2026-000047760 · never reused
Internal UUID01a0ae7f-c420-73eb-b4fa-f0eb5ed6069d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047760
StatusPUBLIC

Content hashes

Canonical textb9dc5de35b543453bb9cf09f3e48cfdfa64e00b65f6ace3796e82b3563aac011
Markdowne2337332d8e2e62527434c28428d7254856139d40260d6834f1fadaa545d614e
PDF
Publication page42e8fe2f710de8d51c834d493db0bfe7c728ae0a95f8d3fa4293d642020028df
Manifestb6cddb4ab56843271a836e495fb129385ec7108b8baca5ba24be6d0fbe83e584

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
SignaturexsfNThb+9HTmeiCr78YsPS16n75RAEKSkLOv2E7bwqnRbGNIpTUd+ZNRDIPesXkvZtVbG8bztuSnSZKLvpivAQ==
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

2026-09-17T11:05:38.884856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047760
observed 42e8fe2f710de8d51c834d493db0bfe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.866853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047760/manifest.json
observed b6cddb4ab56843271a836e495fb12938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.847673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047760/publication.md
observed e2337332d8e2e62527434c28428d7254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.830583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047760/publication.txt
observed b9dc5de35b543453bb9cf09f3e48cfdf...
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.