OpenTechnical

OT-2026-000030752

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000030752) never changes.

Identity and time

Publication numberOT-2026-000030752 · never reused
Internal UUID01a0ae74-3fb4-70da-aee3-20324f0a47fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030752
StatusPUBLIC

Content hashes

Canonical textb24ba2320dc013c9169ae1aebf2f0bb703e16d8a74cc62d9402057e3b4abde49
Markdown81d2638cc4004e36b3660714c7ff9fdfdc6cf514382e92324730ffb54cebd06b
PDF
Publication page0e3d33771090863c1e5a31650b23ebd9856d2376c8d7020af1fe8e23d52438a5
Manifest33de6d1be5bcd5b54418d64a3f8ed177ff8ab741b30326a653eb9401c43fedb8

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
Signature7SClFZFiiV+lFWNET4B5hKbg1D2jt7swGYly86XMz1ykj5tYIiXuWLylMMBlcyoEEj3dwMmmW7CkOpptFicNDA==
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

2026-09-17T11:36:41.877558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030752
observed 0e3d33771090863c1e5a31650b23ebd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.856625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030752/manifest.json
observed 33de6d1be5bcd5b54418d64a3f8ed177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.836678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030752/publication.md
observed 81d2638cc4004e36b3660714c7ff9fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:41.819495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030752/publication.txt
observed b24ba2320dc013c9169ae1aebf2f0bb7...
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.