OpenTechnical

OT-2026-000026542

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single 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-2026-000026542) never changes.

Identity and time

Publication numberOT-2026-000026542 · never reused
Internal UUID01a0ae71-f4a9-7501-9129-4ec2d497389f · 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-2026-000026542
StatusPUBLIC

Content hashes

Canonical textbb907fa3dab4fa7946d3566dfdb6ca22c812e0ab0b4bdc24dc653974992c1768
Markdown45a2b8122bd134d5ef4412c4d40d0e0835c576d4a56e18d2a7a7d8b17129072f
PDF
Publication pagecc09ec0eccaff06d2a6aab5ddc412a7e9bb5b0026bfa7de6afe142d5f6755679
Manifest6dffd7e45ffcbb97997cfedf0c1486cc337fc0be9b2fac1036ab1f18cc9cd770

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
SignatureePJQ0mNd2cEJgrRdA6TLj/nMu7RyetVzPfUmP8rQHY3zJV+lRcIH26U9WH0rcd1pMUEjcQRj2QioqZCJTPSrBw==
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

2026-09-17T11:44:40.285590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026542
observed cc09ec0eccaff06d2a6aab5ddc412a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.269022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026542/manifest.json
observed 6dffd7e45ffcbb97997cfedf0c1486cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.252469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026542/publication.md
observed 45a2b8122bd134d5ef4412c4d40d0e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.234246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026542/publication.txt
observed bb907fa3dab4fa7946d3566dfdb6ca22...
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.