OpenTechnical

OT-2026-000038060

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000038060) never changes.

Identity and time

Publication numberOT-2026-000038060 · never reused
Internal UUID01a0ae77-f88b-7158-97a3-3e7aa291d577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038060
StatusPUBLIC

Content hashes

Canonical textc3c397a984319309090721b0da3a14619d5805be7311d3dc6b95ac0e942b88d6
Markdown718da6faaf5cbd63fe1f0f0f44ad8d001703815d633557eeb9cfa327b9e430d7
PDF
Publication page146afed2c42bc670c8352332c4827c810e57012b81609ca82cc535d20cb27c58
Manifestb4dc5ace3a940f466621fc48e76e60ff637675a4df07e6c6c04f92615e6f9cda

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
Signatureqbf1ZS8GG5O/i38pQ/x3JV4UsAF1KcpzuSzVhTyK2FCAyFXBfgQ8zYqbrPeg8HkHrtsckCzjWYPZicRuTIG7BA==
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

2026-09-17T11:23:22.876342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038060
observed 146afed2c42bc670c8352332c4827c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.858800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038060/manifest.json
observed b4dc5ace3a940f466621fc48e76e60ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.841984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038060/publication.md
observed 718da6faaf5cbd63fe1f0f0f44ad8d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.824122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038060/publication.txt
observed c3c397a984319309090721b0da3a1461...
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.