OpenTechnical

OT-2026-000062642

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000062642) never changes.

Identity and time

Publication numberOT-2026-000062642 · never reused
Internal UUID01a0ae8c-0ac2-797c-a4ae-93cea011b9ee · 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-2026-000062642
StatusPUBLIC

Content hashes

Canonical text26ce2979f04667107a0e5b0b3a88ec491bb620ef9087ca3b73bf3a83a873be70
Markdown14d9d1e864279d1d19a09bcc4badfcc4bde5c8f3e00f3843924a91d5d0551ede
PDF
Publication page781b2fe4f9160126f572c9ea249a779277d6dd1e07bf17cfd74199d5d80dfb8c
Manifestfb2c92be3b1db65426ba8d41ef15a2ebe922aa7e7655855d35d1434ebc23d231

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
SignatureTGA6zJv9e9WWAkBa1uEYc5N4gv5CPMK+/GDOby0676/bZDVnJtkViOkRhv7EkLFS932FuMC32OJ0hA+mnkAgDQ==
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

2026-09-17T10:40:10.530339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062642
observed 781b2fe4f9160126f572c9ea249a7792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.503687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062642/manifest.json
observed fb2c92be3b1db65426ba8d41ef15a2eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.475004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062642/publication.md
observed 14d9d1e864279d1d19a09bcc4badfcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.440726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062642/publication.txt
observed 26ce2979f04667107a0e5b0b3a88ec49...
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.