OpenTechnical

OT-2026-000059948

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-2026-000059948) never changes.

Identity and time

Publication numberOT-2026-000059948 · never reused
Internal UUID01a0ae89-ec26-763a-bafe-a6fc34f07861 · 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-2026-000059948
StatusPUBLIC

Content hashes

Canonical text0f6d24014f163222e78347ce87161f9478bec80649b7e063e2b34169e50988f3
Markdown0f18b1816ac8966478305aaa4b5355948606ab9552a8a0ea947117ed164bebe5
PDF
Publication pageb8ee9937b3edce8519fd98eea93872a1b767570f4c096bb5749d5ef80fc1899c
Manifestc825c4ef13097ce89f2d41cdb71298142529ef96a3ff050b3cb2b946c73bd024

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/+n52g+AGXOm1Bf/bA8XbFcrfGtj6+UAnPmrf6F5vp3oIbG+CXzB3myHq7eGerja1ZgtSOAFGciBAID8arv7Ag==
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

2026-09-17T10:44:43.639817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059948
observed b8ee9937b3edce8519fd98eea93872a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.622215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059948/manifest.json
observed c825c4ef13097ce89f2d41cdb7129814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.604596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059948/publication.md
observed 0f18b1816ac8966478305aaa4b535594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.587538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059948/publication.txt
observed 0f6d24014f163222e78347ce87161f94...
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.