OpenTechnical

OT-2026-000078031

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000078031) never changes.

Identity and time

Publication numberOT-2026-000078031 · never reused
Internal UUID01a0ae95-2f44-7363-9486-c1dc8385f283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078031
StatusPUBLIC

Content hashes

Canonical text2f64e67e2fd147f2dd002100d1cab61ad2e009f066164b7e4475e55061e4ffcd
Markdown5e732d3141d3cd4e8dc3ac90d5d3150dbbe6e7786ee4f14d71e95d28f010907b
PDF
Publication page57d7b2d0c8172ba5e4f1bbf5815a891d4e86ae0c4fc47ce5a91db947debcdb7f
Manifest276b9efcddd133813b25bcf5a53dfe3f6751d1d122ea6302ad30dec928561935

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
SignatureKpw77SQMdFQjAYeqK1f4WVCgVOEZFRY/mogKA+xBxUgJbcs3c79kLMDQw+1lq6LpA0zNA2aThB8N/isITT/mAw==
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

2026-09-17T10:10:44.505588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078031
observed 57d7b2d0c8172ba5e4f1bbf5815a891d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:44.485725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078031/manifest.json
observed 276b9efcddd133813b25bcf5a53dfe3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:44.466414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078031/publication.md
observed 5e732d3141d3cd4e8dc3ac90d5d3150d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:44.443024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078031/publication.txt
observed 2f64e67e2fd147f2dd002100d1cab61a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.360933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078031
observed 57d7b2d0c8172ba5e4f1bbf5815a891d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.342354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078031/manifest.json
observed 276b9efcddd133813b25bcf5a53dfe3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.323288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078031/publication.md
observed 5e732d3141d3cd4e8dc3ac90d5d3150d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.303816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078031/publication.txt
observed 2f64e67e2fd147f2dd002100d1cab61a...
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.