OpenTechnical

OT-2026-000103836

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000103836) never changes.

Identity and time

Publication numberOT-2026-000103836 · never reused
Internal UUID01a0aea4-e463-7059-b8e2-889fa1958a2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103836
StatusPUBLIC

Content hashes

Canonical textfe50bbdde199a8ab2ec1a36a59f6b7036db3786a7713f4bff3ec982563d39f94
Markdown218b001114a96be4458e1289eb0d63d48463b7640aebb5cc3f4dc86ffc441630
PDF
Publication pagec50f75da6dfa65a12d1505adcecb50dffef0cdebb8d3d7c06d95f225bf44bb6d
Manifest6b248924359b58d953495170663eb3a08b38501b19cf9a9acd039d7125d4e489

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
SignatureeJexDB5KXT9HiIKVhJQycc1MI0vtQSdKvr2DhIO5ITr6O458AyAeoWncytbOPAw5ubykqNqvBXfS24YHM6pmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:47.710903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103836
observed c50f75da6dfa65a12d1505adcecb50df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.695276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103836/manifest.json
observed 6b248924359b58d953495170663eb3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.680647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103836/publication.md
observed 218b001114a96be4458e1289eb0d63d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.664369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103836/publication.txt
observed fe50bbdde199a8ab2ec1a36a59f6b703...
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.