OpenTechnical

OT-2026-000075089

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000075089) never changes.

Identity and time

Publication numberOT-2026-000075089 · never reused
Internal UUID01a0ae93-ac2e-7028-bd5b-dea9388db737 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075089
StatusPUBLIC

Content hashes

Canonical text35072665d3db869ae38567c4991b22108d80f74db1625969af3abcde483c0f10
Markdown5394a4a7db7611521a16b68ffc232c2d66da92914889e5d4a2a48e6de8c24558
PDF
Publication pageb74e7807adcc06edad30a6095c1819f1e15328c675d56829856ff8d1cc143495
Manifest7c7c5bb76337ed5db8e03c7abfc756ac9dd9cace9d12906985533114d483b750

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
Signature6QmPmWpSeaUIXBDfji1srpIVVN6GnNO14NXb88w3im80gG/OpdpgFI1UkL7o3dN0J8+IbLR9RKZQfKGxn5uqAw==
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

2026-09-17T10:18:54.712154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075089
observed b74e7807adcc06edad30a6095c1819f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.696785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075089/manifest.json
observed 7c7c5bb76337ed5db8e03c7abfc756ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.680497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075089/publication.md
observed 5394a4a7db7611521a16b68ffc232c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.663666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075089/publication.txt
observed 35072665d3db869ae38567c4991b2210...
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.