OpenTechnical

OT-2026-000034681

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000034681) never changes.

Identity and time

Publication numberOT-2026-000034681 · never reused
Internal UUID01a0ae76-1ed1-73ae-a89b-8acb1d2fa07b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034681
StatusPUBLIC

Content hashes

Canonical text110bc185c2edf45d0f97a7f49317f89856a258e41829875c7de4f1ccb7e89174
Markdown4b72e208cae977d18f2564a964840de7ecb39b8787c7bca94fc9d9b3e820da34
PDF
Publication page33bfa0d1b6156cd96a88de8712adcd44f597e699ebf8af904a5eabc108a210a0
Manifeste1fc08137150299749eed7d0fd344109f52544216136f22909b4ac8865909f9b

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
Signatureli+omdo742JgnfrfFHAOcn9e6yQZOcYjmUIWiWZ0QDFmHt740+oO7C/e3GPMfIGssSApKeDjZrss0rsHlWUUAQ==
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

2026-09-17T11:29:05.399628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034681
observed 33bfa0d1b6156cd96a88de8712adcd44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.381283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034681/manifest.json
observed e1fc08137150299749eed7d0fd344109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.364319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034681/publication.md
observed 4b72e208cae977d18f2564a964840de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.343821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034681/publication.txt
observed 110bc185c2edf45d0f97a7f49317f898...
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.