OpenTechnical

OT-2026-000104086

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000104086) never changes.

Identity and time

Publication numberOT-2026-000104086 · never reused
Internal UUID01a0aea5-341f-730d-932d-fbf031a1010f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104086
StatusPUBLIC

Content hashes

Canonical textefb2a36d0be1c3efbcebaab270990effde567b4a23319055e3fe46d0c4f6717c
Markdowne8fce989e855e079c5110fdfb304bb7d99f2a93c213fe61abcf87e53a5bdbe4c
PDF
Publication page818dbffa3f872fc458a7acb13dc62acf5f6de4e3c1d595d10d0549ec41e51a2e
Manifest34119b2cac4cdb1437b19b868b04b5955cefaf81410fb1b58db89d15f18849b8

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
SignaturecDRn++C2nElvod78mvx5vL090LlOTlU8oLigoalsJRNmgV7A/J5js+NToN5Chc6Uw0JSOUs7Y1Ti9u6HHK8DAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:09.307097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104086
observed 818dbffa3f872fc458a7acb13dc62acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.289751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104086/manifest.json
observed 34119b2cac4cdb1437b19b868b04b595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.272301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104086/publication.md
observed e8fce989e855e079c5110fdfb304bb7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.254857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104086/publication.txt
observed efb2a36d0be1c3efbcebaab270990eff...
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.