OpenTechnical

OT-2026-000023431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000023431) never changes.

Identity and time

Publication numberOT-2026-000023431 · never reused
Internal UUID01a0ae70-7268-7dde-b850-64fec90344de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023431
StatusPUBLIC

Content hashes

Canonical text3bb35f3ea59454ef8ad7f9b63d5928e008810aec89db3e5d7d78fe4c9f476e46
Markdown103faea130bedae29f039486a362c17f9e6dbed125ea39da51f4f869eea5b5b9
PDF
Publication pageb40d5d9105b5f0a9eeca707949f958f082e35a83b94549de640d251bee0086cc
Manifest24ead1aba2b9be77cffc8fbed379866011d7b33ad759ed3643d885bd865b20ab

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
Signature+mVeksIUy0UowFYdhwVj6M9wNLoC8gGnwGeRBOzUXXdPfpQZebezbHXrF/POYkO2JeASXAwpgJYCDfPtDXuTAQ==
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

2026-09-17T11:51:38.637694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023431
observed b40d5d9105b5f0a9eeca707949f958f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.620641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023431/manifest.json
observed 24ead1aba2b9be77cffc8fbed3798660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.601680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023431/publication.md
observed 103faea130bedae29f039486a362c17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.584717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023431/publication.txt
observed 3bb35f3ea59454ef8ad7f9b63d5928e0...
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.