OpenTechnical

OT-2026-000062609

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000062609) never changes.

Identity and time

Publication numberOT-2026-000062609 · never reused
Internal UUID01a0ae8c-0ac1-7a47-80b3-8c0cc31ab449 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062609
StatusPUBLIC

Content hashes

Canonical text6264c131fd02baf36f6ca92c0c7765b154d974b4bd9fb0e07e95847414e6a652
Markdownad52e2394f789391c0d54c5c5585a34774ce957a060721d9a4503fde1a8a362b
PDF
Publication page0d0496f0baa2c406286e9839a0d58912f08422207a07be3c3cc15641221d5e95
Manifest601536a68f8199080c10eee9a58bd3db0da5f47cf2a6d7ba3a901e63c5e44cfd

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
Signaturem0aAiEsenoQtV/n64oJtDQ7DlDMYRJtFIsaaJeb34+ydiYII6iCehPzflIYndkYp7oHDTbKWAZEx6gL9gCDnDw==
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

2026-09-17T10:40:06.740587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062609
observed 0d0496f0baa2c406286e9839a0d58912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.719756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062609/manifest.json
observed 601536a68f8199080c10eee9a58bd3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.698671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062609/publication.md
observed ad52e2394f789391c0d54c5c5585a347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.678841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062609/publication.txt
observed 6264c131fd02baf36f6ca92c0c7765b1...
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.