OpenTechnical

OT-2026-000042468

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000042468) never changes.

Identity and time

Publication numberOT-2026-000042468 · never reused
Internal UUID01a0ae7a-c0cc-7ec7-9c57-4dcfcfb65552 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042468
StatusPUBLIC

Content hashes

Canonical text44ddf54d6c1443eef76fab9d7021dfbd038457e7c0ab24c308ece133b081c4a0
Markdown74754008f47cc4f18d06c681660dc5d299a93e8c2b569af1b2e1bef26da88a90
PDF
Publication page2cff9acd184ffec95e9d1bac497e8e5bb6fd3371fe9978ec193cdf88cda375d3
Manifestf652f2f9be329cdd6559b8579fca5b4300f86e23007242b56da7b3ab420220a4

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
SignaturexL7leJ39X/W/vxod8b/zrANY7EGMQLfL9zKtwycs2B95vOl20US1gf3NjdY9tWGYeOJ9pyYctRgEm9oufNntBg==
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

2026-09-17T11:14:01.936770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042468
observed 2cff9acd184ffec95e9d1bac497e8e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.916626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042468/manifest.json
observed f652f2f9be329cdd6559b8579fca5b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.898804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042468/publication.md
observed 74754008f47cc4f18d06c681660dc5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.879077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042468/publication.txt
observed 44ddf54d6c1443eef76fab9d7021dfbd...
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.