OpenTechnical

OT-2026-000025447

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000025447) never changes.

Identity and time

Publication numberOT-2026-000025447 · never reused
Internal UUID01a0ae71-5fa7-7ee5-98e1-b02527f36844 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025447
StatusPUBLIC

Content hashes

Canonical textcdf14f329eef6abc41a9c5c7428feee2b208fe3f39c5a79b81253449df5c7585
Markdownf4f5840620cc09848b42b07daedddf3c55d035deda753babc6343fb7805ba262
PDF
Publication pagee8f500a8425496c9093f924742d834c5fdc47cf0fc69f93bb551062b896a4443
Manifestcd2c04ec0d9d10ecba9664de444a109e24b9fa152785bb5e13b7b02503743132

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
Signaturegftr95X0ll2LAtLdy5ZdjcBv4xIPlspOLidU/4FNZc8H6SbOL0VxmIVDhydYoZ9Sm8qzZTNEwSfqJYVi/GRqDQ==
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

2026-09-17T11:47:31.745252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025447
observed e8f500a8425496c9093f924742d834c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.727341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025447/manifest.json
observed cd2c04ec0d9d10ecba9664de444a109e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.708216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025447/publication.md
observed f4f5840620cc09848b42b07daedddf3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.690441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025447/publication.txt
observed cdf14f329eef6abc41a9c5c7428feee2...
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.