OpenTechnical

OT-2026-000039073

Publication integrity record

Two cup vacuum gripper, two 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-2026-000039073) never changes.

Identity and time

Publication numberOT-2026-000039073 · never reused
Internal UUID01a0ae78-9672-7eb0-b8ed-9077fce6b629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039073
StatusPUBLIC

Content hashes

Canonical textc2665c3ce37aa6b3ff63d0b3450d412d5deff4ae95d8d4303c086b6f10723bf5
Markdown4204d775b68ba999a5f6087d3afc79ec47e82706f1042d865679185c62c6627d
PDF
Publication page58520dce51b92a75c3b6ec82b907f1b2328909c286501abc702e001088217e40
Manifestdf69085dcbfcc36d60de2bbb0ddba97a96bdd39668f2e0929c635db32e1547c4

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
SignatureCvMVKzq5MsrQcIjPdahTtdXpMFiMohlYuLI2xEj3BKAJiqsj3uClQFvyybmTrDP4mMyva+OBXYDLGNTsUcSHBw==
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

2026-09-17T11:20:33.036840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039073
observed 58520dce51b92a75c3b6ec82b907f1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.016869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039073/manifest.json
observed df69085dcbfcc36d60de2bbb0ddba97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.997002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039073/publication.md
observed 4204d775b68ba999a5f6087d3afc79ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.979474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039073/publication.txt
observed c2665c3ce37aa6b3ff63d0b3450d412d...
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.