OpenTechnical

OT-2026-000089392

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089392) never changes.

Identity and time

Publication numberOT-2026-000089392 · never reused
Internal UUID01a0ae9b-db01-730b-98a2-5c9ab3a3126f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089392
StatusPUBLIC

Content hashes

Canonical text64da08bd7d89a96b7231897df257a0856356c041953c7cefbe43c5203b750b2d
Markdown430bb4ede64ef01aac41a0718b1539ba7b5d54ebb64f098bdd0fee1f947fd5ad
PDF
Publication pagef59f0422fd92ec11ab3fd6a1f24dc76f0e8b96def8f61651595bf7935636ee35
Manifesta1d3441fa14319ff8f408bbb934e2541598e3276a19c0ac6b2be3fdd73d9a96c

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
SignatureeABS9KEvZ1J1QpvIjIJvnogfGUPXoyDlTf2mk+0rxZrUJfCirOX7dYtfYZCRGFdJEdR7RssocSukZFjUzq1HBQ==
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

2026-09-17T09:47:31.842069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089392
observed f59f0422fd92ec11ab3fd6a1f24dc76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.824671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089392/manifest.json
observed a1d3441fa14319ff8f408bbb934e2541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.808225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089392/publication.md
observed 430bb4ede64ef01aac41a0718b1539ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.790497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089392/publication.txt
observed 64da08bd7d89a96b7231897df257a085...
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.