OpenTechnical

OT-2026-000044873

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000044873) never changes.

Identity and time

Publication numberOT-2026-000044873 · never reused
Internal UUID01a0ae7c-911c-703f-8b7e-d47e8aca2ed5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044873
StatusPUBLIC

Content hashes

Canonical text5edaf613a81f5c1af94781de426d292a8444e59d6c107ebaa71926fb69cb093d
Markdowna1df68ed62965a58e751b18c7c4be657836be739ade75101883674745eb07496
PDF
Publication page28313f5b29b76d5c62ccf11e5f305582010f50aee5cee9171ba590e77d577f52
Manifest27f88bcfae26682f2586f9035522050d77412b82924c2f4268d46b5a8488c952

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
SignatureDXKeIxQv3FWaIHHIndGS26HZnZV8A2sPo+VXOqzy65XCI0J4ZhaiB1hnHoMYqfdxTC/k+SqmmmGkBH1w89r5Aw==
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

2026-09-17T11:11:31.631441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044873
observed 28313f5b29b76d5c62ccf11e5f305582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.609424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044873/manifest.json
observed 27f88bcfae26682f2586f9035522050d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.588738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044873/publication.md
observed a1df68ed62965a58e751b18c7c4be657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.570480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044873/publication.txt
observed 5edaf613a81f5c1af94781de426d292a...
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.