OpenTechnical

OT-2026-000026287

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000026287) never changes.

Identity and time

Publication numberOT-2026-000026287 · never reused
Internal UUID01a0ae71-f4a6-7282-9ad6-11d695cebf5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026287
StatusPUBLIC

Content hashes

Canonical textaa20a3159a66098af51566b4c4f292fdc97f7334171dde688a1b3ab8241f70e1
Markdown1e4fc636af9b5c679e5845dcc4aafae1bbbede9c03d966f0ca3e39fbea46da13
PDF
Publication page23c77efa307e75652067ac63b810b6c27513eaa72f9cb3c15163f33737885233
Manifestdcdcf816bc0485203b3a8ea326a2906f6384de418df067574faf335bb649ba88

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
Signature+kc59tqTqRS9UQL2pMbe8SfC3JCWnBq6DE+sTpsp5JV3+wpxpRH1E4HI1utsjg+KSdhiF3CuUwR1PK9FGVthBg==
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

2026-09-17T11:44:14.129739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026287
observed 23c77efa307e75652067ac63b810b6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.111788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026287/manifest.json
observed dcdcf816bc0485203b3a8ea326a2906f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.095000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026287/publication.md
observed 1e4fc636af9b5c679e5845dcc4aafae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.078555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026287/publication.txt
observed aa20a3159a66098af51566b4c4f292fd...
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.