OpenTechnical

OT-2026-000056978

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000056978) never changes.

Identity and time

Publication numberOT-2026-000056978 · never reused
Internal UUID01a0ae87-d5b5-72b8-9c72-3a8e767a8659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056978
StatusPUBLIC

Content hashes

Canonical text7907b0e0dcdbcee1826d07c447f5e50d9fff5728546ca7fb73fe4042648f0c5a
Markdown0662c1334de93a2759c27e8cbb0ee5aea87844ca186867622a8ff9b93935a893
PDF
Publication page535b7eaf1695345a48b7e9ef2d98d56ff0f48d4716f06e8f6d0ac00c5f190a63
Manifest3288dab0f2e55796b21354ce954ab8a42a40e6097ae5ed76676697c55bb54821

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
SignatureyGA9Tk+5wQATBTmtPkUfqBwoFFBpLnWNitayrpdBFFlGi60IqNOwLdf3kao2sMseb3taMsNYYeFf9GC8xDMiBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:26.709434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056978
observed 535b7eaf1695345a48b7e9ef2d98d56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.691866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056978/manifest.json
observed 3288dab0f2e55796b21354ce954ab8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.673692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056978/publication.md
observed 0662c1334de93a2759c27e8cbb0ee5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.655417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056978/publication.txt
observed 7907b0e0dcdbcee1826d07c447f5e50d...
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.