OpenTechnical

OT-2026-000034315

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000034315) never changes.

Identity and time

Publication numberOT-2026-000034315 · never reused
Internal UUID01a0ae75-df0e-79d5-962c-8028841d9c94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034315
StatusPUBLIC

Content hashes

Canonical text9189c1be96b84abd60fc32c35d7670dede204f55f6881d77f10450d58b4f26fd
Markdown4b39d3b4564887472aa91ffa261d5801e29ca24b7e9d66f7e79406b3b813c2fa
PDF
Publication page2186b17681f191a59e0dc436782b5d549d39379764c7d8d7aeb6bc3e2c2060b5
Manifest23d4cf5ab0378fae1fc7c642029647c3649914727be45ce64442444b2fe5e37f

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
Signaturem7RZxf4PYDJE6DqPD633oDXTuHjya+9e+6NPGDVYQOoy9jd3Wk5nWPiauwe7otfLnTv6dNREaICEVlzvBOO5DA==
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

2026-09-17T11:31:00.500392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034315
observed 2186b17681f191a59e0dc436782b5d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.484413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034315/manifest.json
observed 23d4cf5ab0378fae1fc7c642029647c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.465631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034315/publication.md
observed 4b39d3b4564887472aa91ffa261d5801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.447424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034315/publication.txt
observed 9189c1be96b84abd60fc32c35d7670de...
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.