OpenTechnical

OT-2026-000080354

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000080354) never changes.

Identity and time

Publication numberOT-2026-000080354 · never reused
Internal UUID01a0ae96-7e77-7f6e-b7ea-59561cd671db · 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-2026-000080354
StatusPUBLIC

Content hashes

Canonical text10cc716ea449b5d816d435260aaa375234385aa870e707db37cbedfd03ba2ac6
Markdown35977a78461dc93deff0bd8aa48a14b0637d909f3b82737aece10b6e8f5ac54f
PDF
Publication pagefc15c0a2e5646d5c24778dc13862ec61bb8afec2f4d7d65d45de384763a8eb71
Manifestcd42546e09cb9613fda408a8810721500781ed058634bfd9e323b9c0d9c92d3e

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
Signaturev6BwudtyTxruc7upypZYF+gUtZU23jMtSk6AIFV6i3j+nnNO5iH09mFy8nDv+0RqzeN3j5xXmMvoZEmLf0QrBQ==
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

2026-09-17T10:02:50.247080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080354
observed fc15c0a2e5646d5c24778dc13862ec61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.227817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080354/manifest.json
observed cd42546e09cb9613fda408a881072150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.208944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080354/publication.md
observed 35977a78461dc93deff0bd8aa48a14b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.190953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080354/publication.txt
observed 10cc716ea449b5d816d435260aaa3752...
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.