OpenTechnical

OT-2026-000050831

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000050831) never changes.

Identity and time

Publication numberOT-2026-000050831 · never reused
Internal UUID01a0ae82-c7b2-7691-ab24-1b98c53bc308 · 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-2026-000050831
StatusPUBLIC

Content hashes

Canonical textaa11af86a2cf291d8eae2aa6a68b1c5ebd5f77f948f69c18e0eaa59486147c27
Markdowne9c549dcd1de0cae09a5323cfcf47d88cd7b558aca0aab5baa4a6ae1b62c9cf8
PDF
Publication page8f0aa4c22f592d01ff9b0cbc1c318fd92ba7f9c5c013cf68248b73ac470f358b
Manifestc84b7af556d7ddc48a8250508b681362bbf78b0f284206614c0426ed68a2754d

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
SignatureJvtOXQDXNi7RJ/SrAwlOA9I1sjyZ5WmBi6j2pTXzeKBjP4JfK3u/VKig2IaLNYKBx/pQ4/LsGE3IWkoVuG/lAQ==
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

2026-09-17T11:00:23.294230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050831
observed 8f0aa4c22f592d01ff9b0cbc1c318fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.274679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050831/manifest.json
observed c84b7af556d7ddc48a8250508b681362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.272412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050831
observed 8f0aa4c22f592d01ff9b0cbc1c318fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.243087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050831/publication.md
observed e9c549dcd1de0cae09a5323cfcf47d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.241401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050831/manifest.json
observed c84b7af556d7ddc48a8250508b681362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.211318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050831/publication.txt
observed aa11af86a2cf291d8eae2aa6a68b1c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.209215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050831/publication.md
observed e9c549dcd1de0cae09a5323cfcf47d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.186070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050831/publication.txt
observed aa11af86a2cf291d8eae2aa6a68b1c5e...
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.