OpenTechnical

OT-2026-000039218

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000039218) never changes.

Identity and time

Publication numberOT-2026-000039218 · never reused
Internal UUID01a0ae78-9673-7336-a95a-54dd98189742 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039218
StatusPUBLIC

Content hashes

Canonical text7af5e8f95d233f5192e321b3b3a6c29343394dd438c241b64aab267fe662a490
Markdownd5d45e3ef31add2bd4caabd14139a10bb8c008226cc01499365472810e393cfd
PDF
Publication pagec9300bbc8be863594adcb8a134db692537bae5fb6a202e4e393ba66431e167f0
Manifestfa1f356c0fadc61fd82cbdc764ec298fedc95a8cab646b5ed19eaa82055901e6

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
SignatureRe+rE+jdGrcED4sZ9JKUBZRa5tUXq5d3NhJ19sF0PCx8YaSlJUVSWHrAig8NzXyeiPjDt8D5ji+ov2JrB5lfCQ==
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

2026-09-17T11:20:46.254090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039218
observed c9300bbc8be863594adcb8a134db6925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.235090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039218/manifest.json
observed fa1f356c0fadc61fd82cbdc764ec298f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.216873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039218/publication.md
observed d5d45e3ef31add2bd4caabd14139a10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.199471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039218/publication.txt
observed 7af5e8f95d233f5192e321b3b3a6c293...
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.