OpenTechnical

OT-2026-000015688

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000015688) never changes.

Identity and time

Publication numberOT-2026-000015688 · never reused
Internal UUID01a0ae6e-0c4b-78af-8bfd-9bc55f24f391 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015688
StatusPUBLIC

Content hashes

Canonical text9dd68b00318614ec7d0d2fbc1e19df39320ba9dccf9b95f6a48e4b0d1a8a27b9
Markdown22cf394937d1352bde62272f95a1e898b05b9288cfc90679b8ff371a068e6d0e
PDF
Publication page5ffa8becfd0483e284a50f20a1a3c710ded506067a0dbe116a766661e19c4271
Manifest5e743b29f6d075f53a2288592859387e565433ee618ef371b4b59e4446d3c816

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
SignatureRlJM6Nv+KugvINCIdy456jtT759jyU9KQ9p4b9zuSx0cgQqdRybYEkMmrK4H0wFTLA6ffGKwYlEsOtiQycqhAw==
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

2026-09-17T12:04:57.734211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015688
observed 5ffa8becfd0483e284a50f20a1a3c710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.717567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015688/manifest.json
observed 5e743b29f6d075f53a2288592859387e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.699913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015688/publication.md
observed 22cf394937d1352bde62272f95a1e898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.681762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015688/publication.txt
observed 9dd68b00318614ec7d0d2fbc1e19df39...
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.