OpenTechnical

OT-2026-000018034

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018034) never changes.

Identity and time

Publication numberOT-2026-000018034 · never reused
Internal UUID01a0ae6e-96fc-71dc-94ba-97449c2b4b01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018034
StatusPUBLIC

Content hashes

Canonical text87e3b1ac97bb72d12c3c21268fe1459c7dbe9415e04e5da647b491f7c16c322d
Markdown3f7400924159eb7ed8c1b718fa792fff0880776c5faa0f903d8155835554773a
PDF
Publication page5243fe47eac7af877e3c3b575018cb2d8794c169014602c01552fb178b9bd2c0
Manifest7046019feb672c2ba693137989b654f4dc9c6a5f7e02df07a999a278a48c5672

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
SignatureYofgiQQRojIqbDXo1bBKj60dDrlhl7yLEri+NBKx2Da6K/Q3bnUhKzVYfuyCj71176LXOMozVXaPjYx5yhKKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:03.856620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018034
observed 5243fe47eac7af877e3c3b575018cb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.838977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018034/manifest.json
observed 7046019feb672c2ba693137989b654f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.820827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018034/publication.md
observed 3f7400924159eb7ed8c1b718fa792fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.803566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018034/publication.txt
observed 87e3b1ac97bb72d12c3c21268fe1459c...
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.