OpenTechnical

OT-2026-000036375

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000036375) never changes.

Identity and time

Publication numberOT-2026-000036375 · never reused
Internal UUID01a0ae77-01d0-7ed8-8e29-da07a6c5c11f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036375
StatusPUBLIC

Content hashes

Canonical text8446aff7452140326ce89fc87d86d80e6e5e976edbfed0f7082f40e387a0250b
Markdown4602bc46c405495fe2e6c36914a4152ce54c0a5766e79a28e01615b96ef77e7d
PDF
Publication page2d336d21e2f595d329b4d992acd8799ccf1d15b5898aa14975dbdbbab2a4297f
Manifest78784b62af4e4695a38eedbb9bddbbdc10fe88a9f0f27acf34f8777c479e2659

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
SignatureB6tN9M5zMmr4S8uoQvk7zm6sgo5CEjLL2OC9IOd4aYJl6m69dNund68eIvGxFjiTIwXd9hKMF+JPqHZW7WiTCw==
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

2026-09-17T11:26:45.162941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036375
observed 2d336d21e2f595d329b4d992acd8799c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.145490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036375/manifest.json
observed 78784b62af4e4695a38eedbb9bddbbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.128435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036375/publication.md
observed 4602bc46c405495fe2e6c36914a4152c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.110764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036375/publication.txt
observed 8446aff7452140326ce89fc87d86d80e...
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.