OpenTechnical

OT-2026-000027869

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000027869) never changes.

Identity and time

Publication numberOT-2026-000027869 · never reused
Internal UUID01a0ae72-a4a5-7a1f-903d-124619dd6c43 · 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-2026-000027869
StatusPUBLIC

Content hashes

Canonical text16c9c361629d57e4b6991e49dcdbb9219dbff7163f919f7c5c793a0536f48b24
Markdown94a16ea254eee149a2d9f80804e599b7128fb3dcdfdc9ce88b25b36e8cb99749
PDF
Publication page337400206b81606b9c72c5b18faf4123aaa45b5b9d12acf8ae3e8e8984c07ac9
Manifest42c70747ffd9d2b74e00738e4588234e0a706251ae530dba53eacbaee9f406ef

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
Signature8buuazyprOm3PU5sPlHPWxItG9TKm/kLKNC7aKPgysewoiNolKqAPFXBwmjMQD2y+bIfojnkSayWZQygPhOhCw==
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

2026-09-17T11:42:01.365659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027869
observed 337400206b81606b9c72c5b18faf4123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.346844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027869/manifest.json
observed 42c70747ffd9d2b74e00738e4588234e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.325884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027869/publication.md
observed 94a16ea254eee149a2d9f80804e599b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.309194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027869/publication.txt
observed 16c9c361629d57e4b6991e49dcdbb921...
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.