OpenTechnical

OT-2026-000092028

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000092028) never changes.

Identity and time

Publication numberOT-2026-000092028 · never reused
Internal UUID01a0ae9d-43bc-74be-ab5f-a449655329c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092028
StatusPUBLIC

Content hashes

Canonical text1a47a320405479609264afcdfc9b0c15574250356839609e210d470079f3d4d1
Markdown1c000ab2fa193fb58f1e8100ee056b6a76407db28eaef1ceda2089577b7bce7b
PDF
Publication page934f19348bd2607ce58786cbd99ef8e63b123bd4a68fcfaddd7d8a87d9936f06
Manifest998302a761321842e9a53740c8f77a1e2130957a7115f346a3cefe62850c0a67

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
Signature0ECAyiiiq8agZsFY6RbXw4hm46RiwbENEKfomOMVUXTjYuwtNMeN4eEyMDnazMU/EuTXKElIoEfwMX+mygTxCw==
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

2026-09-17T09:43:06.864428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092028
observed 934f19348bd2607ce58786cbd99ef8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.846453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092028/manifest.json
observed 998302a761321842e9a53740c8f77a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.828790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092028/publication.md
observed 1c000ab2fa193fb58f1e8100ee056b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.809550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092028/publication.txt
observed 1a47a320405479609264afcdfc9b0c15...
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.