OpenTechnical

OT-2026-000048977

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000048977) never changes.

Identity and time

Publication numberOT-2026-000048977 · never reused
Internal UUID01a0ae81-134c-715c-9915-a4f6f515f643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048977
StatusPUBLIC

Content hashes

Canonical text32f09172ca9c03efc83e65680a704ed02ee8c609dcbdb23e7a9b7355beed808e
Markdown94963a237a7c82a7086a758c3913b69c1048af8b94f66c97e98ca4f894847e15
PDF
Publication page622cc32ae8868fea8a919aea3e3924a1a83c74c72f5c92981cbbe235d8740f13
Manifest3406a7bda2c96ee9628073b89c508d94c7e49f64842dcd363dae53d855848240

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
SignatureCLbr7TG/IINxrUHES0M5VmgmpbViJ7kByJmtMT5Tis8QktBhi7oVq73/DaouPbFdUzJ5Db75yTF7BFSwmtSDDQ==
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

2026-09-17T11:03:10.747849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048977
observed 622cc32ae8868fea8a919aea3e3924a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.728437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048977/manifest.json
observed 3406a7bda2c96ee9628073b89c508d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.710967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048977/publication.md
observed 94963a237a7c82a7086a758c3913b69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.689944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048977/publication.txt
observed 32f09172ca9c03efc83e65680a704ed0...
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.