OpenTechnical

OT-2026-000058654

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000058654) never changes.

Identity and time

Publication numberOT-2026-000058654 · never reused
Internal UUID01a0ae88-f39d-7b50-a10e-8232387a497a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058654
StatusPUBLIC

Content hashes

Canonical text08b45ca6a79d2ef2354ed00da7478147c5ea706574decf046ee1ee26b6b3dba6
Markdownc5d067d010fc685146c370e9e9847c34b147591033223e458fbbde9f716f7e0c
PDF
Publication page3405fe3458503adb0519effc8f8d80af228f5c6ef05c0aaedf01a4e98b3eddd3
Manifest7df0cb871e74d0b78c2ebfddb3a62376a687f9929d32acdafc5639e6a3f7e174

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
SignatureaMPgJ3hGFgBdu0UN4o8W6vZXEZurmuMqdM5FYdxUHLChTd9pyOcpGoq5+hVJPKbbVQvaDiK/0kb/C5gYrbbjCw==
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

2026-09-17T10:47:10.064688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058654
observed 3405fe3458503adb0519effc8f8d80af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.047869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058654/manifest.json
observed 7df0cb871e74d0b78c2ebfddb3a62376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.029878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058654/publication.md
observed c5d067d010fc685146c370e9e9847c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.010745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058654/publication.txt
observed 08b45ca6a79d2ef2354ed00da7478147...
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.