OpenTechnical

OT-2026-000102719

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000102719) never changes.

Identity and time

Publication numberOT-2026-000102719 · never reused
Internal UUID01a0aea4-858b-76a4-96f4-9d13e9164fcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102719
StatusPUBLIC

Content hashes

Canonical text13d5921e20350f43df20ad30b4d4a2f2eaba9d3630e25d3ac9176227dbb2a257
Markdownd586ffb919a6bdf3ff4f9a68d7b855b83ad7a1ef887c7468c73a318f28414ad3
PDF
Publication page1d8aab7aa277fa76aae4cab6d2c6bda0656ae012d21b664e173474c32f399c6e
Manifest10b8efd50a08dddb10ec91d5f688a3af0b1266ba5b046cf50d9210bc69c6b2ee

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
SignatureD7/Zc8LO/wC3GFRZReoVKayUd4QMJAfMJcsok/w9VrWI9DkcIA1USECahguemlFNkEM6+JW+/rYFshhEX1bZCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:14.130891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102719
observed 1d8aab7aa277fa76aae4cab6d2c6bda0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.110564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102719/manifest.json
observed 10b8efd50a08dddb10ec91d5f688a3af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.090434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102719/publication.md
observed d586ffb919a6bdf3ff4f9a68d7b855b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.071550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102719/publication.txt
observed 13d5921e20350f43df20ad30b4d4a2f2...
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.