OpenTechnical

OT-2026-000029949

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000029949) never changes.

Identity and time

Publication numberOT-2026-000029949 · never reused
Internal UUID01a0ae73-ac48-7312-aff8-ae790c80bd64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029949
StatusPUBLIC

Content hashes

Canonical textd2c7d2520fade263dffe473b4fb360b973279098d6999c9f63a1592007cad441
Markdown2e8e51dc5463e577615cc3a1cd3165fc6306d57035aee10fd7b23c2df04c7cc0
PDF
Publication pageee3cb464d032549c9f66489a5988a23b4f7b4aaeb7546562cf222f494e104183
Manifest1cf1e3cca9a3cb89787f12557bf36f626d9bc3d259e1cef21e83b5d0f1f79dbb

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
SignatureY3ta9fTio7X781AJU0hzRsOfKKmTLjXAqlX+jWWKlD0was0N/UtNnFcnoz0Oh/4Zm0q3B26iwVT4LWTDSd65Bw==
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

2026-09-17T11:38:39.738028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029949
observed ee3cb464d032549c9f66489a5988a23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.722741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029949/manifest.json
observed 1cf1e3cca9a3cb89787f12557bf36f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.706994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029949/publication.md
observed 2e8e51dc5463e577615cc3a1cd3165fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.687316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029949/publication.txt
observed d2c7d2520fade263dffe473b4fb360b9...
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.