OpenTechnical

OT-2026-000074089

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000074089) never changes.

Identity and time

Publication numberOT-2026-000074089 · never reused
Internal UUID01a0ae93-2b8f-7765-9e3c-9837bfe70ba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074089
StatusPUBLIC

Content hashes

Canonical text07a4d88e2d4bc74e2843599e0d703eddb6480cff93b60440798f7aec19d83dca
Markdownff1c1041c8f4efc879842a3de7ab1edc308a64a515912fe4aa45fffd4ab9df4d
PDF
Publication page76de2132ff75338a8f60a90b7b0c946a0981ad97c9ae13e7c5351eb0b32844a3
Manifestfe9650f5f6ad3c377fc90fb29cd39a1a071dc9d74412ade47968ca4d3ece5955

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
SignatureYb9VozTCV1SclqE58l9YL+9WQew2jHZgcasvxl+DXrTolCIUfhDmpvTLDQuVaYZC3HWgmwyG1TFZLbf2YBv4Bg==
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

2026-09-17T10:20:59.736400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074089
observed 76de2132ff75338a8f60a90b7b0c946a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.719318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074089/manifest.json
observed fe9650f5f6ad3c377fc90fb29cd39a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.702529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074089/publication.md
observed ff1c1041c8f4efc879842a3de7ab1edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.682201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074089/publication.txt
observed 07a4d88e2d4bc74e2843599e0d703edd...
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.