OpenTechnical

OT-2026-000057706

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000057706) never changes.

Identity and time

Publication numberOT-2026-000057706 · never reused
Internal UUID01a0ae88-2695-754e-afaa-032aa06e2867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057706
StatusPUBLIC

Content hashes

Canonical textfd86e8e03983914a55ea69a9c9e5b18cc058950b61e8b7ac00b17febd6fcb364
Markdown64a1cffb39a63154e5278a6b0c09bdf9101fd56cc73c701bd970946626984c65
PDF
Publication page1e3a212160de35c5e2eca86293dbc8eb5e29d8f01969a3fe0ce84f28d5a34073
Manifeste2c74ce85144a3ed1dbf18773552ab7ac66dc7e551388854054f2b1679e15b51

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
Signature2eZsSxmNmbYLhwfTuBgq08VBUFiTaL0ZascVuRV7z13QzV2i7HK02eUg+4D2CNUEqEzzI6vxBiyG+b80x4E4CQ==
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

2026-09-17T10:48:22.377292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057706
observed 1e3a212160de35c5e2eca86293dbc8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.358142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057706/manifest.json
observed e2c74ce85144a3ed1dbf18773552ab7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.338374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057706/publication.md
observed 64a1cffb39a63154e5278a6b0c09bdf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.319996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057706/publication.txt
observed fd86e8e03983914a55ea69a9c9e5b18c...
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.