OpenTechnical

OT-2026-000025283

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000025283) never changes.

Identity and time

Publication numberOT-2026-000025283 · never reused
Internal UUID01a0ae71-5fa6-79a9-b2b0-45865721e547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025283
StatusPUBLIC

Content hashes

Canonical text0cf64911f81772ce67b43fc056080d59d3c93212ba400f1eb9e25547c6188553
Markdown2082d6a5a390301bbc2d7832aafe441e7e18047759ebbafb4890f2a54703e099
PDF
Publication page1af72ad467a000c8a71333a4679c34dcca0b8052c452446949c81bc0bc2e0bcb
Manifest552dfc168783c8de95bee33284fd034d5887e7afdb1d2160405943cc74640c64

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
SignaturecKLZSIZvtJDVn8VVMz6XUvC3cGjRG7lMn8no6ChuMdc4XhZMAtyroiKtNUwNAONs6XZD022sxSw+WZ/taRr+DQ==
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

2026-09-17T11:47:17.681653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025283
observed 1af72ad467a000c8a71333a4679c34dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.663969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025283/manifest.json
observed 552dfc168783c8de95bee33284fd034d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.645200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025283/publication.md
observed 2082d6a5a390301bbc2d7832aafe441e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.627576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025283/publication.txt
observed 0cf64911f81772ce67b43fc056080d59...
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.