OpenTechnical

OT-2026-000073436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented before 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-2026-000073436) never changes.

Identity and time

Publication numberOT-2026-000073436 · never reused
Internal UUID01a0ae92-efb8-702b-8f59-cde8cde9716d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073436
StatusPUBLIC

Content hashes

Canonical textff14fa2e00da3ac3dcc2e84a3d35a96f3ce229ca67dfabdf47625908af81bcba
Markdowned74494b4f4b164159a35979756e79a6380da633fe0a83de160fea875cd4db4d
PDF
Publication page0f8821f4280869f64628e4d33db1499c85b38751344fbc50c1d8fac4361871d1
Manifest635d84570da7ed2f6428cdb691817b9326601bed81be1c16c2c719daf99db490

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
Signatureerhy9O/26pr9oHRm9+KdhuGChr77ANnkW+sCAa21pt6kO82VMB+6Nlul6O7xOJMInoylcPXK9xs+zhULPk0aAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:35.599833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073436
observed 0f8821f4280869f64628e4d33db1499c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.582222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073436/manifest.json
observed 635d84570da7ed2f6428cdb691817b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.563955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073436/publication.md
observed ed74494b4f4b164159a35979756e79a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.544871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073436/publication.txt
observed ff14fa2e00da3ac3dcc2e84a3d35a96f...
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.