OpenTechnical

OT-2026-000073822

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000073822) never changes.

Identity and time

Publication numberOT-2026-000073822 · never reused
Internal UUID01a0ae93-2b8d-7cbe-8a03-25909824a5fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073822
StatusPUBLIC

Content hashes

Canonical text7da5abb62447d929abcc66765827ce16b62ebcdb209270fc77f03174ab9f0e96
Markdownf9e47797770ea451d4d1ab42a19a37191c15581a5134bf915042af5c0f9cc1d8
PDF
Publication page5161247befcabe24dbcb39b5e476421f2611f3dcdf41da1705cbf39c2bf0f381
Manifested610df4621dde81e6311a82f9f4fec62b7859579aaa51fd155ba24e15c3f02a

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
SignatureyIdGXcL+sjV/6jBFa9bANdfVg3iR+m/QQHk3QKv/SGK/4DZ3vWrc8yG+dxFBpL/87m7tFUIOrGtW5V7fkBSyDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:56.785286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073822
observed 5161247befcabe24dbcb39b5e476421f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.765422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073822/manifest.json
observed ed610df4621dde81e6311a82f9f4fec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.746688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073822/publication.md
observed f9e47797770ea451d4d1ab42a19a3719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.727008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073822/publication.txt
observed 7da5abb62447d929abcc66765827ce16...
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.