OpenTechnical

OT-2026-000041822

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000041822) never changes.

Identity and time

Publication numberOT-2026-000041822 · never reused
Internal UUID01a0ae79-e8a4-7c5c-a830-b3b4200bafd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041822
StatusPUBLIC

Content hashes

Canonical textfc32631bfef0df196c1c80bc5ad9e66a1f954b082c604cddfc45ddc18390de61
Markdown5cfb6702f1411cdcd73fe26f9b209f1cba80e9a84ebc25c2041fd7bfcaad8be0
PDF
Publication page27257345d51de672e0dd1f8d7b3b7ae98dfd74219e935f7bd8a9f6286f5a2215
Manifestb4ce3f68cf39f449ad63d6b0fe49ec24f11de31591e32e987e2bd2e3b66e334a

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
SignaturewcpabTVw6ELT5RL+Huns1s9gqwaZK5r9bG6ESe8IW1eJoC+QIm2WoynOiDIZXtSERXPrjKCyVLVomlflfgqcAw==
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

2026-09-17T11:16:41.086746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041822
observed 27257345d51de672e0dd1f8d7b3b7ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.068107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041822/manifest.json
observed b4ce3f68cf39f449ad63d6b0fe49ec24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.051772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041822/publication.md
observed 5cfb6702f1411cdcd73fe26f9b209f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.035071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041822/publication.txt
observed fc32631bfef0df196c1c80bc5ad9e66a...
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.