OpenTechnical

OT-2026-000019898

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000019898) never changes.

Identity and time

Publication numberOT-2026-000019898 · never reused
Internal UUID01a0ae6f-1fb6-71a4-b201-b34c6bb7bfed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019898
StatusPUBLIC

Content hashes

Canonical text19cb4527dd744a02b742e1db3d0eaf947b653b0f36c05aa0b1fab3110780add4
Markdown730eaea375373671508bd5c9b426d3a4fa51d588f9cd6b4f8a0803359eb39d8e
PDF
Publication page71418dc09c11a634e89229c19299ace4c485fff5def36ebc0381c8cd5f448063
Manifestc72f8642ef0502f01a885802706555ae72d2bcb2bf1b6cae535c01a7985e8714

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
Signatureg5Bm0tTYkXZkphUHTpu6rHw4NWuOvkFUnS0XqedsLpADCfC4EeegjU9O5g74QdPB8XzX3MD9Hd3M/x20pFE7AA==
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

2026-09-17T11:58:06.435431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019898
observed 71418dc09c11a634e89229c19299ace4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:06.419165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019898/manifest.json
observed c72f8642ef0502f01a885802706555ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:06.402161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019898/publication.md
observed 730eaea375373671508bd5c9b426d3a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:06.386249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019898/publication.txt
observed 19cb4527dd744a02b742e1db3d0eaf94...
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.