OpenTechnical

OT-2026-000076917

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000076917) never changes.

Identity and time

Publication numberOT-2026-000076917 · never reused
Internal UUID01a0ae94-b070-7e60-83fe-9212b6a71d8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076917
StatusPUBLIC

Content hashes

Canonical textf0997e1261cb855b984abe14a2f5e4d86f2dda0ec3398e9d5d1d75890a9497cb
Markdown17a34e7b63a238a7ac2d2cf15d32e823d7a0f28316de0225ea6581fa568b7dad
PDF
Publication pagecfaf5cc0c1b9ebe2de0723e383d4552a639fd758f1d93d6bab04b591642b11fe
Manifest909ddbda1b449933943da8f5ff177ff0228d5e7a77c4de18eaa8d3de02d47d5f

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
Signature6WUIY7pLURzvLGI4b8DscnRy4AHdr823caxHeic7Q7taDBmfkrLZz3/s0fcDu0jRLuflF9SSJqMtt0StKKBpAA==
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

2026-09-17T10:09:50.789099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076917
observed cfaf5cc0c1b9ebe2de0723e383d4552a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.770275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076917/manifest.json
observed 909ddbda1b449933943da8f5ff177ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.750057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076917/publication.md
observed 17a34e7b63a238a7ac2d2cf15d32e823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:50.730994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076917/publication.txt
observed f0997e1261cb855b984abe14a2f5e4d8...
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.