OpenTechnical

OT-2026-000049579

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049579) never changes.

Identity and time

Publication numberOT-2026-000049579 · never reused
Internal UUID01a0ae81-8f7d-7e7c-af13-bc4c4950ef76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049579
StatusPUBLIC

Content hashes

Canonical text51553c00ee6723b61141d84c0c4329456acfde1a893d43675b79084e28231561
Markdown052b092595f2433ebfc93a64c2f7a98deb5a11478fd56f4b655ba19b89503c8b
PDF
Publication pagef40c3a7e6f6da2b8721725145d91c8ec2a1f6cfe983efba6a9041f798c9732ee
Manifestc0a92f805bc2245374e384cf04e9ed1958e0bd97acd9797b9063b7448bfafcfe

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
Signaturez2eFv5VQLXnQ2q0Sdjmk/3cy2vyRLegTuPX/WVVLHQScgOOIxRSVAIAFgkVOC1qNOnU5u4gzsWVmehTUOeCVBA==
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

2026-09-17T11:02:33.042656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049579
observed f40c3a7e6f6da2b8721725145d91c8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.023872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049579/manifest.json
observed c0a92f805bc2245374e384cf04e9ed19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.004818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049579/publication.md
observed 052b092595f2433ebfc93a64c2f7a98d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.985280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049579/publication.txt
observed 51553c00ee6723b61141d84c0c432945...
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.