OpenTechnical

OT-2026-000038644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000038644) never changes.

Identity and time

Publication numberOT-2026-000038644 · never reused
Internal UUID01a0ae78-2d55-7e68-a966-e96611c565c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038644
StatusPUBLIC

Content hashes

Canonical text275347e448dbf96179ee31a47ac791658a54ce1200e310d4e7c211550d6c9b4e
Markdownad45a6dd885a0b83b3e8b495cc1ba9d7f66686494b05b3d786f8f12b70faf8af
PDF
Publication page0d8fde7be44ec1312571e20cb4048c74f018ec93765e3759265a7c51cf0884fc
Manifest06cc412b582270a894cd0dfaeb6ab2663d21fce34d2f4403e503a286e352404c

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
Signature9ayVqyf5rJaKih8ZIrhr/MwUpbZM1ONj0mbRrrNpKaJVSyR2ppzz0FqEaSFF1uPOZd3YgC3BmwrM8S5HOzYIAg==
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

2026-09-17T11:22:56.467461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038644
observed 0d8fde7be44ec1312571e20cb4048c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.448716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038644/manifest.json
observed 06cc412b582270a894cd0dfaeb6ab266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.429684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038644/publication.md
observed ad45a6dd885a0b83b3e8b495cc1ba9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.413454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038644/publication.txt
observed 275347e448dbf96179ee31a47ac79165...
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.