OpenTechnical

OT-2026-000085948

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000085948) never changes.

Identity and time

Publication numberOT-2026-000085948 · never reused
Internal UUID01a0ae99-e82a-70e4-a085-b1f17659665f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085948
StatusPUBLIC

Content hashes

Canonical textdd8755b02e36004937afabdd157f3c3094bdb495e2f7d8ac87746e87cbb2185b
Markdown32b39cf3bdfe9fbf4b941093d66f55a9751413fd8ee7c4dd6a74fe4dc5727fd0
PDF
Publication page3a35b93f38b23cd305895b3a3f99f4b251e7176a865f6b0c9c3c34fb9cc02cde
Manifest82a665cdfc4aa5e96a36c2e885f4c5eea21c5a34fffcabf59ba4f5baa24fac1e

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
SignatureljvlzCX5+KsndJb2mjQEqfkvMTPTJApeAQIsv46/MlBmjJtV0tNvThf6k8qle3DoWRWrDsVpFULhqu28m/kJDQ==
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

2026-09-17T09:52:54.431316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085948
observed 3a35b93f38b23cd305895b3a3f99f4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.414541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085948/manifest.json
observed 82a665cdfc4aa5e96a36c2e885f4c5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.397530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085948/publication.md
observed 32b39cf3bdfe9fbf4b941093d66f55a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.378781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085948/publication.txt
observed dd8755b02e36004937afabdd157f3c30...
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.