OpenTechnical

OT-2026-000027750

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line 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-2026-000027750) never changes.

Identity and time

Publication numberOT-2026-000027750 · never reused
Internal UUID01a0ae72-a4a4-772e-88bf-a64f67d617fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027750
StatusPUBLIC

Content hashes

Canonical text3c0e52da6603c1e0e0830e712c2ce7bdb5525dcd9eafea5a085b45c3553e5bc3
Markdown3dbe7439fec89abe9cb64e0f1bd8bd231474fb2a9c28e3d9ab5d5e553a9bb882
PDF
Publication pagec9551b65e14419d39c4ffb18c32af96bcd477c62ca95c3f7e9674fdbcd5bfd0f
Manifest19183259c16d5213958f9783a39325979d88f2d90a1dbe91e678f1c77d2c58e9

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
Signature+2ffPJ9OPk3YT7hFsCkhOvWYWMnyB2jZ8tIhPJgAg411AxKkW00ldb2d5iN11zEMedaH7LGt7rHlyOWUUs9bBQ==
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

2026-09-17T11:41:47.362104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027750
observed c9551b65e14419d39c4ffb18c32af96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.343677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027750/manifest.json
observed 19183259c16d5213958f9783a3932597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.325382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027750/publication.md
observed 3dbe7439fec89abe9cb64e0f1bd8bd23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.304861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027750/publication.txt
observed 3c0e52da6603c1e0e0830e712c2ce7bd...
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.