OpenTechnical

OT-2026-000056514

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000056514) never changes.

Identity and time

Publication numberOT-2026-000056514 · never reused
Internal UUID01a0ae87-7af5-7a09-a0e5-0537c369dae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056514
StatusPUBLIC

Content hashes

Canonical texte4857b7c920915c6647d6ed459ad8ded29d63ad878298d2b0115228a6b8ee7fc
Markdown0f8dc446a519d6549a37e7940a6aed42ab1c7ab3b58a7c1da7799efc9682cb65
PDF
Publication page156939571d5a17bb9e36d072fe7b83241c4b97e6b3a0d1d30fef4c12b026c437
Manifest7ebdbb6623d00a471a7f4512583329ccfaf68ebc2f8b501a850a5b8828e10265

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
Signature6ZBvcnn6ZnRLOWLRaohMX1UeCHO9CLVgJodS1kReOe6xT+Kb9bFvP7dAoGtM7j9T0LL/NHoRX4jabxEjh3AiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:50.246555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056514
observed 156939571d5a17bb9e36d072fe7b8324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.229397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056514/manifest.json
observed 7ebdbb6623d00a471a7f4512583329cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.212944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056514/publication.md
observed 0f8dc446a519d6549a37e7940a6aed42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.194927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056514/publication.txt
observed e4857b7c920915c6647d6ed459ad8ded...
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.