OpenTechnical

OT-2026-000012154

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000012154) never changes.

Identity and time

Publication numberOT-2026-000012154 · never reused
Internal UUID01a0ae6d-39f4-7efc-a8b1-cc056f8a7fb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012154
StatusPUBLIC

Content hashes

Canonical text6521f98c92368be2982e753619f5fd75c0a2bfae9b39dc1888d2b5d200cffe4a
Markdown75909004846f4780ece084a766fde0d41ee0982209705fbe8d43c0b8a2d53702
PDF
Publication page1d178a9a26c09c69088485e22d417d20d82b40603f06bc67dc6b353e31f049aa
Manifest6c6374fe643fa7dd3a9fea8bc39b82a493f9b5878f6f219c7bd9417683dbaee0

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
Signature2FsKGXneqpclKaDR9TfQ6NrfkqQvHpODVE5qIN6p01M/BJKXxX+Irq4IVo5I/oPrLG06Mp+/iRb35DgsLkdPAw==
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

2026-09-17T12:11:03.066234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012154
observed 1d178a9a26c09c69088485e22d417d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.047687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012154/manifest.json
observed 6c6374fe643fa7dd3a9fea8bc39b82a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.028813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012154/publication.md
observed 75909004846f4780ece084a766fde0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.009252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012154/publication.txt
observed 6521f98c92368be2982e753619f5fd75...
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.