OpenTechnical

OT-2026-000022111

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000022111) never changes.

Identity and time

Publication numberOT-2026-000022111 · never reused
Internal UUID01a0ae6f-f4fb-7406-ac47-5e3f21516d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022111
StatusPUBLIC

Content hashes

Canonical text6cdc729ad6ff0ec6d29ae52d5fa077061d97917ec46359055f4eeb45abeb6a92
Markdown8dc2324c475d47c847ff11f25bef1630da3966d4ce03a99336b252a9e80c0f1f
PDF
Publication page0f49365ab2d34119c36ebe593a6ccab9ebeb274c4413136f8a41666c60860098
Manifest26d5e04bab28ad56089f396d4da0145f462317d6755d6d1c8c2073031013166a

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
SignaturewCDr9b0H0twMDjDo0bRaLuA01bHwmopsq/RzTL1VWK5imjDjmp8MW1fZ7Xk7z/2Qt4Ne97xZSmIlwMaFoVWKAg==
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

2026-09-17T11:52:46.910100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022111
observed 0f49365ab2d34119c36ebe593a6ccab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.891877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022111/manifest.json
observed 26d5e04bab28ad56089f396d4da0145f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.875096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022111/publication.md
observed 8dc2324c475d47c847ff11f25bef1630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.858977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022111/publication.txt
observed 6cdc729ad6ff0ec6d29ae52d5fa07706...
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.