OpenTechnical

OT-2026-000037515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000037515) never changes.

Identity and time

Publication numberOT-2026-000037515 · never reused
Internal UUID01a0ae77-b8ce-71cf-834f-7ffa8401436d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037515
StatusPUBLIC

Content hashes

Canonical text08d8c9e65efa334a833672a0d2af187620de31b42003a7f91fc50562693ffde8
Markdown945cc22902e38c2a2d38ba44f54480c96ac62a4422f0d798b845bb7795164b6c
PDF
Publication page20d0a63d57f187a44ae36309e239b172968f26cf1ee7cb0971dc7f5f76655f7c
Manifestc15bd356b3bdd970ac124ef26c82533e9ecf1c87aa6f7c5f35c819e86c74c6d8

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
Signaturepk6ijlF1AVBdePxpDdihxiyLG6rKUiqGJ9pm1CxbDZ+XEWtiuB15OT1YNrBl0yncFbBjK0svcM3enKxto4rVAQ==
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

2026-09-17T11:23:57.912965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037515
observed 20d0a63d57f187a44ae36309e239b172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.895192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037515/manifest.json
observed c15bd356b3bdd970ac124ef26c82533e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.877308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037515/publication.md
observed 945cc22902e38c2a2d38ba44f54480c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.859513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037515/publication.txt
observed 08d8c9e65efa334a833672a0d2af1876...
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.