OpenTechnical

OT-2026-000070412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000070412) never changes.

Identity and time

Publication numberOT-2026-000070412 · never reused
Internal UUID01a0ae91-545f-70bd-b6f4-3696aaa5b758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070412
StatusPUBLIC

Content hashes

Canonical text842a71c127e477ddeffbe40bf1d57ae30b2fe37207b766fbf36bd0200dfc37c8
Markdownfa276f28d59c1337bf476f915049822e3a93b2205e4d920ab6074350ed4f1203
PDF
Publication page828f0fa9c62a4c5a139fb48d65482baa40c5fbd4c4e9a6b73b126fb365455e90
Manifestb81425e4affa80eebe9cffceecf0f4deb2cb546e2b148324e890cdbb3b30b2f3

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
Signature4CKNWZtNT//6vS0xWHTi0ZafgkiYkCuetCAmlzUhqvoE2cdkJUO41459n2dfRrCxhCM4bkML5xYigksBYW0BCg==
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

2026-09-17T10:26:13.341329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070412
observed 828f0fa9c62a4c5a139fb48d65482baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.322995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070412/manifest.json
observed b81425e4affa80eebe9cffceecf0f4de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.305864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070412/publication.md
observed fa276f28d59c1337bf476f915049822e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.288462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070412/publication.txt
observed 842a71c127e477ddeffbe40bf1d57ae3...
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.