OpenTechnical

OT-2026-000056515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000056515) never changes.

Identity and time

Publication numberOT-2026-000056515 · never reused
Internal UUID01a0ae87-7af5-7f84-a8c9-fede340a0287 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056515
StatusPUBLIC

Content hashes

Canonical text6ef3b9c685f05ce7b41ffc969b90c9a4357d66d7fddd078b385b3f2b31d76861
Markdownd9dfc4bb0b208fa1c0bf6386a2a0a746e44074fda2557beeb3366827c0a995c7
PDF
Publication page8b129b844a2600ec10bf12c06aa4cfff160dc1ec2ca3dca8bf93ea21fe619e5a
Manifest1ccd47db5c8bc8e6bc4e2bc4cfa29d318bbad1539f6f05e946db7876488f17fd

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
SignatureJCkC5R3+TRAh/00UHOQRRlGCm3gnJA3wH0ICIRdlIgwBPT7BFuzXQz2vyyP1f2UM6aYpzXjb+5m0iKCBfAb4Cw==
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

2026-09-17T10:49:50.320506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056515
observed 8b129b844a2600ec10bf12c06aa4cfff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.302951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056515/manifest.json
observed 1ccd47db5c8bc8e6bc4e2bc4cfa29d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.285421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056515/publication.md
observed d9dfc4bb0b208fa1c0bf6386a2a0a746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.267772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056515/publication.txt
observed 6ef3b9c685f05ce7b41ffc969b90c9a4...
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.