OpenTechnical

OT-2026-000073469

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000073469) never changes.

Identity and time

Publication numberOT-2026-000073469 · never reused
Internal UUID01a0ae92-efb8-7ff6-86d4-070f9089d188 · 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-2026-000073469
StatusPUBLIC

Content hashes

Canonical textbd19f4e3c41f94cd144c96cb8872dcb83921a757115dc02789fa40951dd3a78b
Markdown15519638a7737042fe88833d80363ac22fc606d82a55dec64b81700d16bf290b
PDF
Publication page002cec500a089ca565f612839b230b82adfcaacaa9917582076d5dd9c5269b2f
Manifestc0c4b11fbc158e8733dac369bbf57402a13f5b26973ea38bd2de59db596710aa

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
Signature+bdkKGfC5H9cnpbYb/nFK/gim4bKGCd71z2wuf7We4sirI3i3uj5LB/ECe6WlbM/YWuVcrrnB89SSAchn8ddCQ==
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

2026-09-17T10:21:38.128361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073469
observed 002cec500a089ca565f612839b230b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.111216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073469/manifest.json
observed c0c4b11fbc158e8733dac369bbf57402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.092161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073469/publication.md
observed 15519638a7737042fe88833d80363ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.073937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073469/publication.txt
observed bd19f4e3c41f94cd144c96cb8872dcb8...
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.