OpenTechnical

OT-2026-000030410

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000030410) never changes.

Identity and time

Publication numberOT-2026-000030410 · never reused
Internal UUID01a0ae73-e503-758e-8338-8c1a47f226e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030410
StatusPUBLIC

Content hashes

Canonical text4ae5b74fcd7a010f7f8b949c109dc6c86ef72636b5f5fd76e5986dcea64a3c3e
Markdownf32cf5fbdef0b4d6476335f83aed8523f4771a6de6f8abc2028e8399139195a6
PDF
Publication pageb282f025c91079cf248e9c94d7d52e416aad6bc2b81ed6b48656f0b475663ec3
Manifestca376de46489b490c3866374df6acf0b5da1ef5da804dbe13e59689d9f41bbc9

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
Signature0ijIs/oDCqkWoVMkV1+tgPQAfazNw2c7aKGOXcDzcGjsCF6WXODOVKzRD1ky3e+ftbB94SH1LEOhGn+pkxARDQ==
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

2026-09-17T11:38:08.549289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030410
observed b282f025c91079cf248e9c94d7d52e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.531566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030410/manifest.json
observed ca376de46489b490c3866374df6acf0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.512447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030410/publication.md
observed f32cf5fbdef0b4d6476335f83aed8523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.495035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030410/publication.txt
observed 4ae5b74fcd7a010f7f8b949c109dc6c8...
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.