OpenTechnical

OT-2026-000062086

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000062086) never changes.

Identity and time

Publication numberOT-2026-000062086 · never reused
Internal UUID01a0ae8b-b8b0-7c7f-bc25-19291312bcb7 · 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-2026-000062086
StatusPUBLIC

Content hashes

Canonical textcbae6b03fda763490e5d967d570083ed2737e95d62dd10f7b8033673b036176e
Markdown7ba1375bc6cb08098e8a7e0db278aa5fefa232f37eb50cb219324cce2535a998
PDF
Publication page4e869b0e44627f9e22f153ce5e6fe179915a95bb4cd6a4157edb43e3e0f117eb
Manifest59a0ae11b1cd3be5b686c00aba39c11c36a956128b4d2e194308d7dc2367c897

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
SignatureYzKFeEMYqqjxTEQPQD3YIa6ClvQC5gdPZbw+t1TX7mEwumF79zRdGJBP35WpyRS15yQFxK3sRuh6yxB8123oCQ==
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

2026-09-17T10:41:08.382526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062086
observed 4e869b0e44627f9e22f153ce5e6fe179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.362633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062086/manifest.json
observed 59a0ae11b1cd3be5b686c00aba39c11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.343382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062086/publication.md
observed 7ba1375bc6cb08098e8a7e0db278aa5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.323370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062086/publication.txt
observed cbae6b03fda763490e5d967d570083ed...
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.