OpenTechnical

OT-2026-000043962

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000043962) never changes.

Identity and time

Publication numberOT-2026-000043962 · never reused
Internal UUID01a0ae7b-d678-7b93-aace-e3d7fc26404b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043962
StatusPUBLIC

Content hashes

Canonical text64e82be64913f99e958716e6ed5992d6f0fee257807fb6bf5c7cc4bf19bc4158
Markdown2b45eb26a56a178ed69d172424312e7a38db64206444fb2706ccf49090bf9618
PDF
Publication pageb58f595b5ba3d141fbac5ec9e8ddcf3bff0f1a5323f3bb2a83789391b57e22de
Manifest6cacbd2ee3a88665548802d5052cc95b1492e48845542d45274a557ce0c05f52

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
SignatureJxvtw45xCvqFyCBRLQksWsoEexEKqEje6ZgwTALwKt4tEYaQxcEY0O9JpsKTcXQAQZKDEG+17utvf8KCFK2VCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:12:19.224578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043962
observed b58f595b5ba3d141fbac5ec9e8ddcf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.206181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043962/manifest.json
observed 6cacbd2ee3a88665548802d5052cc95b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.187628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043962/publication.md
observed 2b45eb26a56a178ed69d172424312e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:19.168799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043962/publication.txt
observed 64e82be64913f99e958716e6ed5992d6...
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.