OpenTechnical

OT-2026-000080621

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000080621) never changes.

Identity and time

Publication numberOT-2026-000080621 · never reused
Internal UUID01a0ae96-7e79-7a7d-ac3c-756db6579d39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080621
StatusPUBLIC

Content hashes

Canonical text112392f1bd0e87ce352a4e67d2e7ca063abccda48c23ea471d2b45cb818b8ef9
Markdown0068d82ed36efe6ac3d99f7058be2dd11bf10bb9f4746676e8a9bddd180fbe90
PDF
Publication page2b612898fec004696c29db6e53b20a68afadd45e0a3526f1c9f722feac58c4ff
Manifestd9e9e42c2c17c6860cb3c7c9b0a9016c11363afe86367cef2ca9b93f12234889

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
SignaturevjtZDXgEWYuLxEIUeH4CXGzJVeM8OlCKShxZEYjvx4DcTaOo2z3Wsn1+GHn0Xwmrne4OewcJXuIqtjRIWEkXAQ==
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

2026-09-17T10:03:15.944305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080621
observed 2b612898fec004696c29db6e53b20a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.919686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080621/manifest.json
observed d9e9e42c2c17c6860cb3c7c9b0a9016c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.889889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080621/publication.md
observed 0068d82ed36efe6ac3d99f7058be2dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.863252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080621/publication.txt
observed 112392f1bd0e87ce352a4e67d2e7ca06...
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.