OpenTechnical

OT-2026-000041057

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off 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-2026-000041057) never changes.

Identity and time

Publication numberOT-2026-000041057 · never reused
Internal UUID01a0ae79-b141-783a-91d4-486cc46f59e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041057
StatusPUBLIC

Content hashes

Canonical text2e4931903b79e69f06e1e92c83f90d72a73a963c3433b2481cdbf7a56267dc70
Markdown2b8d1f71b6551b2bfa83dba735ff48dcc7c8629ed91742ecf3b0b58263c9bcd6
PDF
Publication page81201d44980cc6271c02d3b24145f5649b900b15a994e873698487e0adfeb3e9
Manifest01feadb859621a8540e867857a202390d5ab55b53e07627206e58a72acb4c687

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
SignatureB6d/uxSpFQ7qL9uBHJTn40EAbVOdzCCKNKuxRJULc7aVpcVonXy1a+r23tknE1JP9DVQH/e9iE8AF3NkNMRwBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:58.233938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041057
observed 81201d44980cc6271c02d3b24145f564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.216924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041057/manifest.json
observed 01feadb859621a8540e867857a202390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.200921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041057/publication.md
observed 2b8d1f71b6551b2bfa83dba735ff48dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.183519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041057/publication.txt
observed 2e4931903b79e69f06e1e92c83f90d72...
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.