OpenTechnical

OT-2026-000013275

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000013275) never changes.

Identity and time

Publication numberOT-2026-000013275 · never reused
Internal UUID01a0ae6d-6fc9-73c9-bda6-601699b6883d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013275
StatusPUBLIC

Content hashes

Canonical textf9d200c9e05024a150294a437c223efcdcfffcbe03090c403d33ee5fcc05c583
Markdownce6bdc06fece734f71cc34850bf897282c73d71871ddd26d4cf92566188615c3
PDF
Publication page033b694b12b31183f78d26a1905e5287397c28916da3c737c466ff16ad1a534e
Manifest9694b94c23015c9ecdb878468bde65ba709c65ba29c40aa3abed8497570fd980

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
SignatureauKQBEIP3D6WHYfUwsFNdGfVS+SXFLtraCLfxR6f0wmwLsx9Ur7rHmfiCRzIpPWUEbKuDbSTSu+LoQgrpD1DCw==
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

2026-09-17T12:09:41.370673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013275
observed 033b694b12b31183f78d26a1905e5287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.351416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013275/manifest.json
observed 9694b94c23015c9ecdb878468bde65ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.332414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013275/publication.md
observed ce6bdc06fece734f71cc34850bf89728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.314264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013275/publication.txt
observed f9d200c9e05024a150294a437c223efc...
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.