OpenTechnical

OT-2026-000038416

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000038416) never changes.

Identity and time

Publication numberOT-2026-000038416 · never reused
Internal UUID01a0ae78-2d52-7277-b065-4c60b0c5e9a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038416
StatusPUBLIC

Content hashes

Canonical text224ffd5799b697170bce414515961c94a9095200834a1a379688d94678023db4
Markdown91801ae9c2c4664571905a6765b201cb7e9ec1a6944d41d614c9ae09e6e48a90
PDF
Publication page28fe0c95983c6eb9f0554ca3d1d0d85449a8aa7be293de6f3be1d04112d2aa67
Manifestfde3aa51f384edc97f113ca8b7a10439a01a897ad7ddf13f11b9dcbde5bd35f6

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
Signaturelpxge5wZh7Ey/9coil/wRA4F3tLA4LhfcVVCCRaAd7v3ZatRSth8UirwzB7e63P3vNbk8oc2b+IvcahKRpsYDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:37.625665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038416
observed 28fe0c95983c6eb9f0554ca3d1d0d854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.605949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038416/manifest.json
observed fde3aa51f384edc97f113ca8b7a10439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.588027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038416/publication.md
observed 91801ae9c2c4664571905a6765b201cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.570743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038416/publication.txt
observed 224ffd5799b697170bce414515961c94...
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.