OpenTechnical

OT-2026-000092284

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000092284) never changes.

Identity and time

Publication numberOT-2026-000092284 · never reused
Internal UUID01a0ae9d-875b-7368-9dcd-d331d0413fd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092284
StatusPUBLIC

Content hashes

Canonical text8106352111937318eb8c0c5386f920ea429fd9105abcec1e95eb822679c419a0
Markdownc7230c30cbf58b075103a2b408b441a127445ce500371e84668df75452849343
PDF
Publication page1ff338e6b8b41e66b507eb1d05c2cf4be034bffd8f5fb77dc1945facd11a15d7
Manifestb12915454db20fded74c0439b5896745d83cdd42a0acdb1e5a97d1d4d1638ce7

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
Signaturew8bYyYB4ELm2Lk8gB17hiqMp3vUzKq55m9L2womka/n7O5FEpBLLRywNQA+Po6Fcv2CTLUWs3CpmpzE30M+cAg==
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

2026-09-17T09:41:49.187085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092284
observed 1ff338e6b8b41e66b507eb1d05c2cf4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.165460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092284/manifest.json
observed b12915454db20fded74c0439b5896745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.148654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092284/publication.md
observed c7230c30cbf58b075103a2b408b441a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.132533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092284/publication.txt
observed 8106352111937318eb8c0c5386f920ea...
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.