OpenTechnical

OT-2026-000058074

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000058074) never changes.

Identity and time

Publication numberOT-2026-000058074 · never reused
Internal UUID01a0ae88-6eda-7970-9047-481b412c8fa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058074
StatusPUBLIC

Content hashes

Canonical text9e2fd617997e1949f1f9f5a509e21d574835725826754eba4c78062079a67d33
Markdown4783fb1373115a36d1ffb7c50414a9344b7ca44e3edb9e12909ca8025e8e8118
PDF
Publication page0b33d60eaac12ef93e5a8e051cf85c3b0672df3f9d26eba1324981d6b7c57c6c
Manifest0dabc485c7100f49ac1be4a762122d4a1ca4ecf9758403c381b17aaf3deaa75e

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
Signature4qDY8KUneEwm2Cts8BN5BSTcWEYushrQwtaGbN9jmKxM9//EMRM726GDhwKKyhKsckHau82P6hrsS9eUFo76DQ==
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

2026-09-17T10:47:43.890077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058074
observed 0b33d60eaac12ef93e5a8e051cf85c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:43.872699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058074/manifest.json
observed 0dabc485c7100f49ac1be4a762122d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:43.854108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058074/publication.md
observed 4783fb1373115a36d1ffb7c50414a934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:43.836389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058074/publication.txt
observed 9e2fd617997e1949f1f9f5a509e21d57...
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.