OpenTechnical

OT-2026-000050807

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050807) never changes.

Identity and time

Publication numberOT-2026-000050807 · never reused
Internal UUID01a0ae82-c7b2-7c00-a18d-90678876f55a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050807
StatusPUBLIC

Content hashes

Canonical text964ec838203c16f7ca5a50a597a6e07eb798461ff9f69931069035ee70fabd14
Markdowne071dacffce6d5d7aa71b720ccd4e8a2dd4bc6d73f003092a904049554463c77
PDF
Publication page13ca88ff6bff42da61429c86ac3e5247ecfabfa048122837c6c6a2cfc1530569
Manifest1d94aa967805b89dfd4c22e392c4243daa4d7c9a958014b9c27b217244f46d4a

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
Signatureg5ltXt/9g9Enii1Lhpd6Sjj1S2xHJ7c3ylB9cheI4rMuRDvSDr5/Be7iWD+l88tUNCXM5BPnODKcuxE9UuCwCA==
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

2026-09-17T11:00:20.544830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050807
observed 13ca88ff6bff42da61429c86ac3e5247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.532667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050807
observed 13ca88ff6bff42da61429c86ac3e5247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.509616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050807/manifest.json
observed 1d94aa967805b89dfd4c22e392c4243d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.500117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050807/manifest.json
observed 1d94aa967805b89dfd4c22e392c4243d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.473983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050807/publication.md
observed e071dacffce6d5d7aa71b720ccd4e8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.467009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050807/publication.md
observed e071dacffce6d5d7aa71b720ccd4e8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.445555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050807/publication.txt
observed 964ec838203c16f7ca5a50a597a6e07e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.438114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050807/publication.txt
observed 964ec838203c16f7ca5a50a597a6e07e...
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.