OpenTechnical

OT-2026-000041148

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000041148) never changes.

Identity and time

Publication numberOT-2026-000041148 · never reused
Internal UUID01a0ae79-b142-7b69-a0f1-2fc53a7c18d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041148
StatusPUBLIC

Content hashes

Canonical text930f214863b028d84bf983979319c33711b27b13126b0859a9db641f2cb58224
Markdown248d5578be3d7c1230cdd75ce4796cb840378efe5e16fb179b5640c078fb31ad
PDF
Publication page2b4a38f609cecd7258518267076ee011a53cc2c0b632dc313eb7450c577bb9ff
Manifesta5cb5aef37bdf3045de773ba2a897a2cfae86421a0706d6fe03a0c4df7b4ab84

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
SignatureZBEfpEL8YEvepbgJ+u7/33uBVENuYh4dpikcNQyc3XIv/wTyJAUgPQZ11QZbOS3dn5evloqX9DX/+hv4ktwCAA==
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

2026-09-17T11:17:05.321622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041148
observed 2b4a38f609cecd7258518267076ee011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.302901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041148/manifest.json
observed a5cb5aef37bdf3045de773ba2a897a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.284847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041148/publication.md
observed 248d5578be3d7c1230cdd75ce4796cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.265752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041148/publication.txt
observed 930f214863b028d84bf983979319c337...
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.