OpenTechnical

OT-2026-000030887

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000030887) never changes.

Identity and time

Publication numberOT-2026-000030887 · never reused
Internal UUID01a0ae74-3fb6-76a1-ab1f-32acc0a3bbd4 · 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-2026-000030887
StatusPUBLIC

Content hashes

Canonical text0a1797aad770cf7009db392efab90546530ea2ccbf1f704863c657b722392e95
Markdownc25f0dc8c553f4dbc8ee1898ce45d237f2b7ff80cc809f0771e0696fbbdeb278
PDF
Publication page6c3ffae9ab41d4d29147494f051fff3532921b7767dc026c7419b6692bacffa5
Manifest0ea2b4399ea1bf11a06fa0a26cc71f8bb5bc325249b302a81aae5590cb1620d8

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
Signaturexe0SStypopUKsf34Ttvy3qEY2jKJKRuIpwGY8/Gwj8oi9LO4yCH2HTNXD7gmTBgp8GyVKWxr8LaVVez9L31ABw==
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

2026-09-17T11:36:52.216256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030887
observed 6c3ffae9ab41d4d29147494f051fff35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.198010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030887/manifest.json
observed 0ea2b4399ea1bf11a06fa0a26cc71f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.177412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030887/publication.md
observed c25f0dc8c553f4dbc8ee1898ce45d237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.158518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030887/publication.txt
observed 0a1797aad770cf7009db392efab90546...
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.