OpenTechnical

OT-2026-000074904

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000074904) never changes.

Identity and time

Publication numberOT-2026-000074904 · never reused
Internal UUID01a0ae93-ac2d-709f-abce-f9d1d0e81866 · 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-2026-000074904
StatusPUBLIC

Content hashes

Canonical textfda0d81b95f5ad089e4edf6f097b1d9d5fbd26792abf3133171dd60ba4711f54
Markdowne0544acc721e353c9ce4fc099ad8c66a5d66f995d8916551cc07301a73759d0d
PDF
Publication page399c0b9fd0c59669c8525cf6abaad47be6ac84dbb9fb04089bfb7b5841bda934
Manifest906c584e6eeee2c29282c167027dac728198fc18a4599e0b1bb859883e50bfe3

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
SignaturecMotL3scxjgM9YDzy2bEDp+EYir1SsatSc4pKph4zGwwA01A0w1lcIeSN5QNprqFdRjbs1s9SZUgm/xkyn3LCA==
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

2026-09-17T10:18:37.624246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074904
observed 399c0b9fd0c59669c8525cf6abaad47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.606155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074904/manifest.json
observed 906c584e6eeee2c29282c167027dac72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.588911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074904/publication.md
observed e0544acc721e353c9ce4fc099ad8c66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.570505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074904/publication.txt
observed fda0d81b95f5ad089e4edf6f097b1d9d...
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.