OpenTechnical

OT-2026-000027732

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000027732) never changes.

Identity and time

Publication numberOT-2026-000027732 · never reused
Internal UUID01a0ae72-699a-732c-8084-c07e32636b8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027732
StatusPUBLIC

Content hashes

Canonical text927c82f50e806fbbb00c2cf75ff8e06b7d797dc78550039b592dede539065798
Markdownb43a3468374daad54c27d9c3e6decace36fd76eb47d951f24edb8f5cf53fb954
PDF
Publication page709bafa51b76b6aeb9242c540be9ae7457563be16d743e0c0183773fbe50b633
Manifestd890b6a573d9b7042f3f1885cecfe2fbccf89dbb566157c7ba95dd188a509b19

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
SignaturePG0m2W43a7Tg0cXdn2ReclpAWOvAUw7qsZsLnjLnX87y4UCfjIOPCCJQNiCmSynXxlpFk7G8lDOMRvoDcEipBw==
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

2026-09-17T11:43:17.402674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027732
observed 709bafa51b76b6aeb9242c540be9ae74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.386823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027732/manifest.json
observed d890b6a573d9b7042f3f1885cecfe2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.370904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027732/publication.md
observed b43a3468374daad54c27d9c3e6decace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.352987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027732/publication.txt
observed 927c82f50e806fbbb00c2cf75ff8e06b...
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.