OpenTechnical

OT-2026-000026454

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000026454) never changes.

Identity and time

Publication numberOT-2026-000026454 · never reused
Internal UUID01a0ae71-f4a8-7af7-8025-7d6520be9be2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026454
StatusPUBLIC

Content hashes

Canonical textfefab7d9451a83f1350301b0c53d7d3060a2be1bc7807b4938f9552d6de0bd43
Markdown7e66d7456cac5b9510147d35ce997029594e1268583578235885799bb47f9d2c
PDF
Publication page38a4d7e203df8bc8c72328775df618b3e8587dfe68b9fa974cbb85b617ee46ce
Manifestdc1ba97d5df87114193120c9da2b8d38642a925bfa0ae060dc2f8ebecc872d51

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
SignatureXoDWCaEGdw5znNubJz1D6B/wmvXP2PQ6FmzecP1P3YivFJEsLmbBHAsA4QQ+wWzHg00WZwSlHiCI/GK45RcDBQ==
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

2026-09-17T11:44:27.336460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026454
observed 38a4d7e203df8bc8c72328775df618b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.319405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026454/manifest.json
observed dc1ba97d5df87114193120c9da2b8d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.303664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026454/publication.md
observed 7e66d7456cac5b9510147d35ce997029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.285960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026454/publication.txt
observed fefab7d9451a83f1350301b0c53d7d30...
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.