OpenTechnical

OT-2026-000075980

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075980) never changes.

Identity and time

Publication numberOT-2026-000075980 · never reused
Internal UUID01a0ae94-2a00-7f29-90c9-3d754fb8fb2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075980
StatusPUBLIC

Content hashes

Canonical text9b211d25ffd94e64fc9d54941e3d9fdc60805cd8d32930eb713b47101f2e35b9
Markdown02c78b73af98e415c06393a7116c7018b2593dae4fc44adc78f7204d82bd50a3
PDF
Publication page07772da2b25a1f55235e630174dcbd6e9d25189711005abea967306869cbc5e4
Manifest93ceb3bf63275773e1f699b3ebb2474e7a86970c41f282f119612e6ce7d238c6

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
Signaturetu2H/aL2mD/jNjXY/oex6Pq3hKXQVAX/alqtjJbjVG8408RTlfsNWiI8dyJp08Sov+QqBiX5GNwCCIlzPL5LBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:13.390683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075980
observed 07772da2b25a1f55235e630174dcbd6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.371122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075980/manifest.json
observed 93ceb3bf63275773e1f699b3ebb2474e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.351399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075980/publication.md
observed 02c78b73af98e415c06393a7116c7018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.332887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075980/publication.txt
observed 9b211d25ffd94e64fc9d54941e3d9fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.466475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075980
observed 07772da2b25a1f55235e630174dcbd6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.447101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075980/manifest.json
observed 93ceb3bf63275773e1f699b3ebb2474e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.302900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075980/publication.md
observed 02c78b73af98e415c06393a7116c7018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.285570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075980/publication.txt
observed 9b211d25ffd94e64fc9d54941e3d9fdc...
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.