OpenTechnical

OT-2026-000103487

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off after 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-2026-000103487) never changes.

Identity and time

Publication numberOT-2026-000103487 · never reused
Internal UUID01a0aea4-e461-773d-9bc0-7c159995e08c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103487
StatusPUBLIC

Content hashes

Canonical text4ccf57d5291bcb8995334b3116f86b06aba86f2a9fdf91f1129b20e391dd64c5
Markdown383fc951edd451e7437d5a47d463448376c08dd60ab0629ccf4ef673de6ccf17
PDF
Publication pageea9a68d2f20ec0fc478a4ba2417d08dd01e123b415a574c9ef835e7ea328fb65
Manifestfd70c160339429d30907d414624c67534eb6e1658beee7d4b08945ad01bd3d70

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
Signatureh4CjN0zMpssrdifj8N+Ts8M7o6odNjKGaNP1HWroAYv8sliZZD8toX19FP1PMO7GWt3+QjrwIYjYpzP5goBLAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:15.028667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103487
observed ea9a68d2f20ec0fc478a4ba2417d08dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.012782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103487/manifest.json
observed fd70c160339429d30907d414624c6753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.994868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103487/publication.md
observed 383fc951edd451e7437d5a47d4634483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.977929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103487/publication.txt
observed 4ccf57d5291bcb8995334b3116f86b06...
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.