OpenTechnical

OT-2026-000025045

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025045) never changes.

Identity and time

Publication numberOT-2026-000025045 · never reused
Internal UUID01a0ae71-2728-73f5-8b5b-66859bdb23b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025045
StatusPUBLIC

Content hashes

Canonical textb1a8052c42fd1b91b445ec9ce15ffa6903a7a8fbe3bd2793ea36ce584b4a1622
Markdown202a511b9c2b6990cb3f8128b6f06405540c4ddb72a561411093802c045fffaf
PDF
Publication page6d3598659cb487efb2b0832d83c4c214b8288f3d067776916e67821c04c2c96e
Manifest8d20fd396c6783ef84473b680d67b75dec66720cf3e1ba51c7e79d6a6acecf82

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
SignatureSfplW/r0a0w5eB/ANTsIm38OuU80sOWjBwxv+hIhwVViSlH4LKdOA+Ys1bzRS+vJ9TXhYVVmFaL/AeuG/GGmBw==
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

2026-09-17T11:48:27.117791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025045
observed 6d3598659cb487efb2b0832d83c4c214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.099495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025045/manifest.json
observed 8d20fd396c6783ef84473b680d67b75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.082629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025045/publication.md
observed 202a511b9c2b6990cb3f8128b6f06405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.062897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025045/publication.txt
observed b1a8052c42fd1b91b445ec9ce15ffa69...
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.