OpenTechnical

OT-2026-000056418

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000056418) never changes.

Identity and time

Publication numberOT-2026-000056418 · never reused
Internal UUID01a0ae87-4bd2-79b8-baa4-98e84a82e299 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056418
StatusPUBLIC

Content hashes

Canonical text4561ab8feddcf9fb10cf903277a93fef0b886130f49b98389d3091ddebd046b3
Markdown3e92300546e8f4c6a7091a486309dceec589c3add9906a37d58a81cf2db347a4
PDF
Publication page918045a2b0291e00bafd2e62945486fa087275d244324d163e66de5238564237
Manifeste4a8d9932a140a8218f600e417cb9f73973ad6f619b4a07550192ea699d299ef

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
Signature1Xa4F69+x17fm2k7Bk5y7AR/XGdVm6foFzrzaTeHbieVGcXqVW1SeOxI5ibYH9JLLmc9PGTWZBvVA2lKCvWtCw==
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

2026-09-17T10:50:56.959145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056418
observed 918045a2b0291e00bafd2e62945486fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.940383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056418/manifest.json
observed e4a8d9932a140a8218f600e417cb9f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.922347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056418/publication.md
observed 3e92300546e8f4c6a7091a486309dcee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.905537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056418/publication.txt
observed 4561ab8feddcf9fb10cf903277a93fef...
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.