OpenTechnical

OT-2026-000058534

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000058534) never changes.

Identity and time

Publication numberOT-2026-000058534 · never reused
Internal UUID01a0ae88-f39b-74fe-bd19-b652cee0e76e · 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-2026-000058534
StatusPUBLIC

Content hashes

Canonical text54d0d5a03694b668ed9c40cc34624535146135c13ff0438bec442decbb429a5c
Markdownbc953fcb35647fe4d8673e0f10109d03620ab1c8d6869cb6e78c8511b4f96f6b
PDF
Publication page78592f9b108daff0636ee428af5326ca9c83aa368533afb49295bc954c4d1c0d
Manifestbc2696505dad63e2ef6c411209ba4623932d8577b252833c4afe7b7f0e9bec53

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
SignatureuYy/GsWN0OZtKhk4usV1k4ErD/LlP1SN9ZvPXV5zd+e75YAoIe7IUk2nhDNVCymaAzYfWSKz46/dveYG/wH4AA==
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

2026-09-17T10:46:59.804493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058534
observed 78592f9b108daff0636ee428af5326ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.787246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058534/manifest.json
observed bc2696505dad63e2ef6c411209ba4623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.771407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058534/publication.md
observed bc953fcb35647fe4d8673e0f10109d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.753175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058534/publication.txt
observed 54d0d5a03694b668ed9c40cc34624535...
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.