OpenTechnical

OT-2026-000031383

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000031383) never changes.

Identity and time

Publication numberOT-2026-000031383 · never reused
Internal UUID01a0ae74-87ad-78b0-aee0-b8ba6038ace4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031383
StatusPUBLIC

Content hashes

Canonical text784566a4cd5ca048c86560eac53687434d6ce37a1a1c3257d83e520c983f82db
Markdown6664c2fbf371cbb8994198d242e214b96583c688ada73fdd8b78e0f8d3d07408
PDF
Publication page5cabe6ad7a57c6e965b2aa3de8705eae73f639bb9b87408af63645d67a7085fd
Manifestc535588342121b0354fdfeb3f2b47a62b31321d026fc451d24f5cef1562bd673

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
Signaturek8wVoOEPHzRd02VZpTI4zL7hPFdoQ2MgqQj/zsCynCjQ8f2Zd51uX9pech6QQckVu+bGCbO6l+Yw3QO4JA9XDA==
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

2026-09-17T11:36:05.453516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031383
observed 5cabe6ad7a57c6e965b2aa3de8705eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.435739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031383/manifest.json
observed c535588342121b0354fdfeb3f2b47a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.418414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031383/publication.md
observed 6664c2fbf371cbb8994198d242e214b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.401449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031383/publication.txt
observed 784566a4cd5ca048c86560eac5368743...
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.