OpenTechnical

OT-2026-000033596

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000033596) never changes.

Identity and time

Publication numberOT-2026-000033596 · never reused
Internal UUID01a0ae75-a38f-75e5-9fe7-818f63f8ef80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033596
StatusPUBLIC

Content hashes

Canonical text9f43107cd7d0c04361ca2e62ab28fffe490786ba0470c41189eedd058c9186b5
Markdownf9a513d68b38f1b9bca26311fa4f8c20046532315d5b9ce9884d6cca97e5c5f5
PDF
Publication page81db36cd1000324492eaa2aa3107b7cb412e03822a1951c45671d08521e4b6c4
Manifest83a6a7455534bffc8dccaaf5a93933a6b6ca35c02bf5bdfd9edf3abf7975a543

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
SignatureJ+/zaA3TwhNLVw0OL0cjAECWj7PPWKuPukX20VLLUHsVMCTmihMJjSHH5r9IhH/MblpZAiJXKedyF9ZYEjirBw==
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

2026-09-17T11:31:28.470645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033596
observed 81db36cd1000324492eaa2aa3107b7cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.453454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033596/manifest.json
observed 83a6a7455534bffc8dccaaf5a93933a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.433526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033596/publication.md
observed f9a513d68b38f1b9bca26311fa4f8c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.414291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033596/publication.txt
observed 9f43107cd7d0c04361ca2e62ab28fffe...
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.