OpenTechnical

OT-2026-000058972

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000058972) never changes.

Identity and time

Publication numberOT-2026-000058972 · never reused
Internal UUID01a0ae89-47a0-7475-b95c-69cfae1c2fc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058972
StatusPUBLIC

Content hashes

Canonical text0e30cbc1d76efec527cbd555b3f540a624c945bc6ce6eed46f3a6987de14913c
Markdown04e5606eb56ee8467785f51b856f3f20fe9daee7d1f8d0c5a2e2ca0a84280c42
PDF
Publication page431104887ec9b3a5dc44477ff4128a6f91582666ff7479889a74cdfd3409d215
Manifest829d4e50152ec9aaece8471831496f4cdf451a9bec9a3eb12b9061a8e6cceb55

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
Signature3Pgn/GVlJ2zMlJVItIQ/M7R8XMjEQ0h1x+z4H9lBoAzg81kS8OkSJrTVzmEbwx3IOZy70blpxEC4Gh85zgItBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:33.203475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058972
observed 431104887ec9b3a5dc44477ff4128a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.186116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058972/manifest.json
observed 829d4e50152ec9aaece8471831496f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.168373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058972/publication.md
observed 04e5606eb56ee8467785f51b856f3f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.151547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058972/publication.txt
observed 0e30cbc1d76efec527cbd555b3f540a6...
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.