OpenTechnical

OT-2026-000068539

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000068539) never changes.

Identity and time

Publication numberOT-2026-000068539 · never reused
Internal UUID01a0ae90-2482-762e-9316-3f2e8e0ecb6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068539
StatusPUBLIC

Content hashes

Canonical texte40431fb45e70f66ed950ef67db4b4e74ee43faf0e1a5d2209bbcf887ef78700
Markdowncfa045c676d177d31acf58e92ea0501db26d08106192ad2c2f9b553a611f6836
PDF
Publication pagee230c4ef312e3ab0064cbae36f3967a901497bcc7a6c66d042cd2c2b7092da8d
Manifest1d8390bd7dd5f1b7d707adbdb7624206b1cc99d01218f24c908632488cc3f24f

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
SignatureckaciEI2m5e62/bXemUPtQY2hWXRmpQUBr1SwUIe7gzzjvh1GncEMwzzdo9ylrmL1NrZBaMn/vGrAtihg81vCQ==
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

2026-09-17T10:29:42.301869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068539
observed e230c4ef312e3ab0064cbae36f3967a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.284859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068539/manifest.json
observed 1d8390bd7dd5f1b7d707adbdb7624206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.267027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068539/publication.md
observed cfa045c676d177d31acf58e92ea0501d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.251058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068539/publication.txt
observed e40431fb45e70f66ed950ef67db4b4e7...
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.