OpenTechnical

OT-2026-000090160

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000090160) never changes.

Identity and time

Publication numberOT-2026-000090160 · never reused
Internal UUID01a0ae9c-428f-71ae-9884-741d52aa8467 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090160
StatusPUBLIC

Content hashes

Canonical textb113ad6fedee19a2ce65c3c792fbe1d47b80f1e1fd486d358b88efd32b29e036
Markdowndbae07d0e77aa25ea86716d9cb092bb72dcfb9fcc109a79e46afcf2b00726c21
PDF
Publication page16ad5f00b307f6ca07e2805fef1890822acfc4d41dd424bd68789b462db76385
Manifesta83d07148857467770101645a5001a098242ea889a5bdcb3cc22c9eae1cdbe2e

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
Signature6ImIbZWfu420Ll276KixqLmaf05stq2XR6ziJmbJo9sKxK5/8n3NMopHtTCU2CNloljOo9sKv8S4upTOWGATCg==
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

2026-09-17T09:45:40.672274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090160
observed 16ad5f00b307f6ca07e2805fef189082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.654448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090160/manifest.json
observed a83d07148857467770101645a5001a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.636507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090160/publication.md
observed dbae07d0e77aa25ea86716d9cb092bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.620250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090160/publication.txt
observed b113ad6fedee19a2ce65c3c792fbe1d4...
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.