OpenTechnical

OT-2026-000012380

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000012380) never changes.

Identity and time

Publication numberOT-2026-000012380 · never reused
Internal UUID01a0ae6d-39f6-740e-8652-a46f7d8901f8 · 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-2026-000012380
StatusPUBLIC

Content hashes

Canonical textc0f2a8be4c523e45216c12a20afebf8d53052edc119a71b9017c221e32c8a0cd
Markdownbf69c6d9cfb2a5ff8c2bbc62c0425c100b50e26a26008d7f90217079b934ead6
PDF
Publication page30fae3357866576618f3c9bdfcdb05664d6f329eb1bf1baf0c5867a75891c464
Manifest40d305ab421ed5388af108233f68980a939ad0d37fdb2c25eadd702cf4b10ea4

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
Signatured13GCf38mlKsCX8HMfCwF2ciVGun1pynfWv0AMZGX3hPlP+MPvOCkSi+NxqT0/knHkmZGoirNJqzCQN4y9scBw==
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

2026-09-17T12:11:52.030543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012380
observed 30fae3357866576618f3c9bdfcdb0566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.011919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012380/manifest.json
observed 40d305ab421ed5388af108233f68980a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.992478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012380/publication.md
observed bf69c6d9cfb2a5ff8c2bbc62c0425c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.974678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012380/publication.txt
observed c0f2a8be4c523e45216c12a20afebf8d...
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.