OpenTechnical

OT-2026-000104202

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000104202) never changes.

Identity and time

Publication numberOT-2026-000104202 · never reused
Internal UUID01a0aea5-3420-783f-9f6d-cd1ef0fac904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104202
StatusPUBLIC

Content hashes

Canonical textf9d75d3c02e9c0b140f6b25f479383290ee2004c67acfcb38faacc6248f77f49
Markdown3de7fd10f5503d4ee2a25f3de60eae4e9821771d45a6575ba54eb636fd76999e
PDF
Publication page94eefda3ccf63cc651c6672f391a28b571e7cc0419b6de4a60e3e56bd4d95c26
Manifest48110366af4a217c090a2af9d2c11e2281700441b2f5e6cf9d6bd6a165e593df

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
Signature3dPMreDMVpG+n2U+R5eUl8NAd+hBn6v2BnFwBnTKQVuW3NwAWxhD1KeC9JiGl8nMaVQKgZF5KQKkvWJDxDOKDg==
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

2026-09-17T09:20:18.054817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104202
observed 94eefda3ccf63cc651c6672f391a28b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.036749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104202/manifest.json
observed 48110366af4a217c090a2af9d2c11e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.020276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104202/publication.md
observed 3de7fd10f5503d4ee2a25f3de60eae4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.004483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104202/publication.txt
observed f9d75d3c02e9c0b140f6b25f47938329...
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.