OpenTechnical

OT-2026-000017071

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000017071) never changes.

Identity and time

Publication numberOT-2026-000017071 · never reused
Internal UUID01a0ae6e-591b-7030-8753-592b4a2d3f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017071
StatusPUBLIC

Content hashes

Canonical text8704995235776b8e471f6ad8c21cca3b52da0234f795a11b9cd70924f416f363
Markdownee34ffd7af28e40fdfc1a575c8b1cabca0098479bbfe3bd383aa76144aeb70ca
PDF
Publication pagefc6a153c31027d5a3334fae63b839c043fd4e44a9ae7775bc6506ea1e2cfdd44
Manifeste03d4315bf7855e391d53a14d9334a06354903861eaa735b329f66472413a6a1

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
Signature9RUVRQMy8+b+LW/pydJg8lDGqwZ9WGByPpjcp90S3J8ODpu4sAQpAKNetXDXfAFJEVcYZjCTup30UTYqJFKzCA==
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

2026-09-17T12:03:29.486766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017071
observed fc6a153c31027d5a3334fae63b839c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.469661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017071/manifest.json
observed e03d4315bf7855e391d53a14d9334a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.451844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017071/publication.md
observed ee34ffd7af28e40fdfc1a575c8b1cabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.433435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017071/publication.txt
observed 8704995235776b8e471f6ad8c21cca3b...
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.