OpenTechnical

OT-2026-000080789

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained 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-2026-000080789) never changes.

Identity and time

Publication numberOT-2026-000080789 · never reused
Internal UUID01a0ae96-b974-7ce0-a05a-f9a537d2f29b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080789
StatusPUBLIC

Content hashes

Canonical text3cb84e4edf5dcbb534ddd6b9f3c44acc5413e1c21909f69211786f4914dc4173
Markdown2a569f061c9f0aaab42292deaaed567db6872a797163e9e3bc74550a3a8a7597
PDF
Publication page15e82c99c7143f584eeddfa742a87a6979dcd7f91b7f341e2c53dcd098574690
Manifest0a59d92dc0feb691b0a06bc258e46bae7a732364e8b41b8feaa05d8263a790ab

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
SignatureLJ1sA8zFZPFgAGy0eWPgSojl00VeCy6sVWGmqFzYgotlA4OfXrvrV4mtclzvWqZ+OVUNKQMKLk7RHKQACIU7Dg==
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

2026-09-17T10:01:57.786574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080789
observed 15e82c99c7143f584eeddfa742a87a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.767643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080789/manifest.json
observed 0a59d92dc0feb691b0a06bc258e46bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.748141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080789/publication.md
observed 2a569f061c9f0aaab42292deaaed567d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.730591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080789/publication.txt
observed 3cb84e4edf5dcbb534ddd6b9f3c44acc...
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.