OpenTechnical

OT-2026-000074095

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-2026-000074095) never changes.

Identity and time

Publication numberOT-2026-000074095 · never reused
Internal UUID01a0ae93-2b8f-75fe-8a82-8431e5b59e34 · 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-2026-000074095
StatusPUBLIC

Content hashes

Canonical text4db1e9227ef8c5276ccd9cc6cd971bc39a98765fe84ab207dfb5dce7e1869c7a
Markdown5840d38c1af3687d58fe708be3f832737c685751718a77fd8a8f73791e8c4aae
PDF
Publication page6fb5c66066f178328a69e2f550b8616a66ee2bbf5caba0b3dc4d305270495571
Manifestfa8077abca70391ddc467ac82bd7a2ae633bc8660ac97abacf21bb0ce614eeb7

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
SignatureKktzGzR0yc1ZkICR7HlH4rVz6yDpy0bTI8G6LoauBq0Vw8MMb2PobiuCbJMGwBMXEL3mTK1SB2yhkwqOqa+PCw==
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

2026-09-17T10:21:00.200644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074095
observed 6fb5c66066f178328a69e2f550b8616a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.182240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074095/manifest.json
observed fa8077abca70391ddc467ac82bd7a2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.162187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074095/publication.md
observed 5840d38c1af3687d58fe708be3f83273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.141310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074095/publication.txt
observed 4db1e9227ef8c5276ccd9cc6cd971bc3...
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.