OpenTechnical

OT-2026-000055912

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000055912) never changes.

Identity and time

Publication numberOT-2026-000055912 · never reused
Internal UUID01a0ae87-0a4a-77b8-9c6d-3c50c4b2010a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055912
StatusPUBLIC

Content hashes

Canonical text3b86ba5daef287c05d89b976465ae317ae455773ddbb225b72508174d87acb3c
Markdown3a15fdaa90c46e481ad9df99de226a06f799310de6e412d006c5197887b42111
PDF
Publication pagef4794c55fa487d4aad0eeb54d2e5476f62c89170b57b82958926b2707f36d7ed
Manifest07f54cc2df7fe88f6e9fe44801a99ef9b30320809ac5f488ede3fdc3f73d941c

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
SignaturecnfE1lD7B5w0PaAndyul+vK6lgfUy6zcc5Ngar4zwNQdjplrukoguVmqGiUxPhv75zjqcw0iEfhQfVkS8NOWCg==
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

2026-09-17T10:51:24.934256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055912
observed f4794c55fa487d4aad0eeb54d2e5476f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.917160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055912/manifest.json
observed 07f54cc2df7fe88f6e9fe44801a99ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.901409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055912/publication.md
observed 3a15fdaa90c46e481ad9df99de226a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.883482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055912/publication.txt
observed 3b86ba5daef287c05d89b976465ae317...
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.