OpenTechnical

OT-2026-000062054

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000062054) never changes.

Identity and time

Publication numberOT-2026-000062054 · never reused
Internal UUID01a0ae8b-b8af-7783-a8e9-adce06858ddb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062054
StatusPUBLIC

Content hashes

Canonical text7ee4d3a99c8fc479161e33e4bb344762526788bb7ce50ddbb89a1e73f1e6999e
Markdown4bf03f283b77606904c744864ad432502d8b347a94bc318c8f814b597e5e9352
PDF
Publication page5bbd3ee8cc65f8b16e7edae25d786ac459fbe680c45e5e040fc531072ad197d3
Manifest9622f508827f33a2b067385633448880b99f56dd51a4044f7b8aba211213f2d9

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
SignatureslChpjqc8sA1nPWvLwMzl1OwRNI83VFfAtVU9vg9svMNxSnk4rO3hDp2ZifQ6AD4zHhX4n+teAy0V+PpPT5sBQ==
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...

Independent retrieval

2026-09-17T10:41:05.850154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062054
observed 5bbd3ee8cc65f8b16e7edae25d786ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.832093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062054/manifest.json
observed 9622f508827f33a2b067385633448880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.812329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062054/publication.md
observed 4bf03f283b77606904c744864ad43250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.792960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062054/publication.txt
observed 7ee4d3a99c8fc479161e33e4bb344762...
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.