OpenTechnical

OT-2026-000059976

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000059976) never changes.

Identity and time

Publication numberOT-2026-000059976 · never reused
Internal UUID01a0ae89-ec26-7233-9d99-8c9aae64cc33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059976
StatusPUBLIC

Content hashes

Canonical text9337e05243dc3370d0d96973279545ccac1483b5455f0b4fd051d80e00d0169b
Markdown44c28a940d5235e0c36c547a05ebe4245c6c2df71273f394cde6b962897c97f7
PDF
Publication page046903ca53057aad657150dd00aec941a553bb3bbbd78481c9c661eeda851f2e
Manifest72667c2c62909fa51e9c192d8c60954e9c26d4b93004be1929a7877314d8dc17

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
SignatureYR+NWO6a+xDDD+vcW96vE3etcoF90PFQ0895EoHbxi6kErkr2wBc2OJMcRIptz/5mYrUIvGpCmXSSzGRawvABw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:45.770406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059976
observed 046903ca53057aad657150dd00aec941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:45.751251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059976/manifest.json
observed 72667c2c62909fa51e9c192d8c60954e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:45.733641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059976/publication.md
observed 44c28a940d5235e0c36c547a05ebe424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:45.715237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059976/publication.txt
observed 9337e05243dc3370d0d96973279545cc...
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.