OpenTechnical

OT-2026-000034558

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000034558) never changes.

Identity and time

Publication numberOT-2026-000034558 · never reused
Internal UUID01a0ae76-1ed0-7d6f-a5da-16014c45e3f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034558
StatusPUBLIC

Content hashes

Canonical textf9582da4274d318a7a7dd3e6102eba943fa585195cbd3b9dbafefe441f0c749d
Markdown85897883a7d4fec9657bdf50c6abc0eee1ee009ff654d3c2e4a4f265037133c4
PDF
Publication page6aa1339aea1f2a189ec67807e0a8955c1d031d72e62d35cd03f96be25b4e3253
Manifestf063849ac14476fa88914488e709747892eb826924b515632e0b073024b3714f

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
SignatureUYtgGL49GaaTB8v2G/fWy3YrrF5ICe9eaQPq2LrR/8/ExrY8PyKoBbkf9xVr+H+t2PeLHI6n+HptSxoCd3ywCg==
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

2026-09-17T11:28:55.353217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034558
observed 6aa1339aea1f2a189ec67807e0a8955c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:55.336030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034558/manifest.json
observed f063849ac14476fa88914488e7097478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:55.317909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034558/publication.md
observed 85897883a7d4fec9657bdf50c6abc0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:55.298566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034558/publication.txt
observed f9582da4274d318a7a7dd3e6102eba94...
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.