OpenTechnical

OT-2026-000077356

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000077356) never changes.

Identity and time

Publication numberOT-2026-000077356 · never reused
Internal UUID01a0ae94-f509-765b-8801-df1b0a9e55ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077356
StatusPUBLIC

Content hashes

Canonical text4951b16bf0b168d66b3541bc26304ea4b6ad0848a92b48aee8d7bb481c717445
Markdowndfda3cab6cc3fb1ce20af88c8834023889303f2995c02126af025ce99a164fd3
PDF
Publication pagecece76b70e9f90232e592e411a5e377c10e2481088fb8f76e9e0f1ea676f1d15
Manifestd09706ac387b4a2f6da1ea74262f98953997c93e9de8c5aaa38afa082c324198

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
Signaturev2nCGO/P+hra6ME148KZH0URZuSkz5eVeo9qTkth5JOPGPrBIyox6FuZJFQf3jZzlSdFsBziZqCKnYOwfaZqAg==
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

2026-09-17T10:11:02.279321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077356
observed cece76b70e9f90232e592e411a5e377c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.263204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077356/manifest.json
observed d09706ac387b4a2f6da1ea74262f9895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.245462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077356/publication.md
observed dfda3cab6cc3fb1ce20af88c88340238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.227461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077356/publication.txt
observed 4951b16bf0b168d66b3541bc26304ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.309712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077356
observed cece76b70e9f90232e592e411a5e377c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.289706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077356/manifest.json
observed d09706ac387b4a2f6da1ea74262f9895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.270755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077356/publication.md
observed dfda3cab6cc3fb1ce20af88c88340238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.252303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077356/publication.txt
observed 4951b16bf0b168d66b3541bc26304ea4...
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.