OpenTechnical

OT-2026-000008659

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000008659) never changes.

Identity and time

Publication numberOT-2026-000008659 · never reused
Internal UUID01a0ae6a-e46b-7885-87dd-6d8018d41d1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008659
StatusPUBLIC

Content hashes

Canonical textaa74aa73ac0d897dba3549f9d9d254c653d7fe75fd43b0e0bacd8a190f9dc6c5
Markdown2bf52644404c424a59625a2378c55719dbc7304e8f05cc7f38baa0a17c5d9539
PDF
Publication page7b9f4804e837cb5a303ee9ea0c36a997de1a7c485ff6179c80a3c37a892dab3d
Manifest4a3f4837025e9f985e011985eaace0059ff37f0c792cb2f254771aa90c45bfc1

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
SignatureYKMs7gwPRuqrhnAcG1kWwQ+b6Muxt/KGf1aG1hln2vsJNwMAOZba+MC+iQdDeTnh5OuZxNO0F7ejO70AefWGBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:38.252439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008659
observed 7b9f4804e837cb5a303ee9ea0c36a997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.230298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008659/manifest.json
observed 4a3f4837025e9f985e011985eaace005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.208933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008659/publication.md
observed 2bf52644404c424a59625a2378c55719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.185366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008659/publication.txt
observed aa74aa73ac0d897dba3549f9d9d254c6...
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.