OpenTechnical

OT-2026-000019599

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000019599) never changes.

Identity and time

Publication numberOT-2026-000019599 · never reused
Internal UUID01a0ae6e-f394-7028-8f7f-7620772b3b49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019599
StatusPUBLIC

Content hashes

Canonical textd9e31c21ea04b95ea3d2c8db0b2b5e4fec8c67bc6ff1f29ce473dee3a68b5f9b
Markdown54571fc1d27f76abe76d4c0152a918291b32c32fdccee939db56b870b07457e5
PDF
Publication page6a32f458820da50bac398d3e04ef2a1cc66a05cdb318158800ba8486191ed0a9
Manifest75632404287df3cb67944afcc00c6a3a9e9e52349df187ac8c40bc35fce69e79

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
SignatureLDJaJWkxriXKZ8rajEswmokuIYpJx79vMqEhDabayTdghX+svWoCHjgxlSShepZrK30DjqHTCtr1+uDDHk7CAg==
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

2026-09-17T11:59:03.134752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019599
observed 6a32f458820da50bac398d3e04ef2a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.118151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019599/manifest.json
observed 75632404287df3cb67944afcc00c6a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.099525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019599/publication.md
observed 54571fc1d27f76abe76d4c0152a91829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.082423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019599/publication.txt
observed d9e31c21ea04b95ea3d2c8db0b2b5e4f...
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.