OpenTechnical

OT-2026-000017309

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000017309) never changes.

Identity and time

Publication numberOT-2026-000017309 · never reused
Internal UUID01a0ae6e-76c8-7e02-802b-75261a2ffaad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017309
StatusPUBLIC

Content hashes

Canonical textb69d585ad7b87e98e6f47ed18e3fa90efa4cce0b78ed5c7117f2b32afe97d226
Markdown638547e0a32cac27bd6ea603d1cca298081209e00a2ea8148251f3e7d48b9ad2
PDF
Publication pagebf8c86b3107c16c793348b3b2112abbf0fc301d8030475711c53bb45048625ea
Manifest7fb6c37fd2f20db8e86b5cdda78806f81a1b31bad761cdb573bfb4a2dd3cdd9e

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
SignaturebW+6fg7mmvbQsLhJTjkqHYah9fm42R9x8llebUCwEAg24u5kRZaxpnF6PZrP5RKYJ0j2WXe1+juROPOknhinCA==
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

2026-09-17T12:02:24.706926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017309
observed bf8c86b3107c16c793348b3b2112abbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.689367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017309/manifest.json
observed 7fb6c37fd2f20db8e86b5cdda78806f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.673085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017309/publication.md
observed 638547e0a32cac27bd6ea603d1cca298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.655301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017309/publication.txt
observed b69d585ad7b87e98e6f47ed18e3fa90e...
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.