OpenTechnical

OT-2026-000056444

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000056444) never changes.

Identity and time

Publication numberOT-2026-000056444 · never reused
Internal UUID01a0ae87-4bd2-732e-985b-04223f37ef93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056444
StatusPUBLIC

Content hashes

Canonical text86eb46e267bb039d1d45bfe693e304a5c040127a05e006ea5a0b0c6d043df6d3
Markdown9db21854c51b4d0dee8f515c5e66a4e7e3e4803b6fbfa8c67386ace37314adeb
PDF
Publication pagea7831ba64a97984c891717ceba5b07cf47c9a234ee51f3b66562316817dfe7e4
Manifestfdfe369babe0e2c3edce1bcc505d216f00fc5c7426d80b5e716a1950c12c035d

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
SignaturecxK2FtVmjdWx39YebI0LsshZnxgGza/M0kGQ3p1PtLwYYc0lFOORBKIhxOloNcLix+7/JPPjlUbRX7pasns1Cw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:58.742588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056444
observed a7831ba64a97984c891717ceba5b07cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.724670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056444/manifest.json
observed fdfe369babe0e2c3edce1bcc505d216f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.706583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056444/publication.md
observed 9db21854c51b4d0dee8f515c5e66a4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.688469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056444/publication.txt
observed 86eb46e267bb039d1d45bfe693e304a5...
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.