OpenTechnical

OT-2026-000057817

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000057817) never changes.

Identity and time

Publication numberOT-2026-000057817 · never reused
Internal UUID01a0ae88-6ed8-746d-bed7-42bec346c38d · 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-2026-000057817
StatusPUBLIC

Content hashes

Canonical texte857eedc277d2728f4e3c43c0d404aa137fdbff88e808627823908180fdebea1
Markdownf8e8229bcacaad4a4f910d1d42c45c34410664837abab8aa9cce0fd771f8161e
PDF
Publication pageb27b60bd8f17d3b5e9b195509fd5ee2739e6a419f5b95285fd1d3aea4adc79ff
Manifest295b598f05a0aeafbe9f78f094d3b75ed1c5e121977cdc67f1f840de602bc4ff

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
SignaturezEOFoP3JmdeuwlWjnZPHbsEt9nXe/Rt+xLUT9X2e82SQOiA4uVWpu8hmrc5nCSVbil4WStwA9/kxy/r8mfjPAg==
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

2026-09-17T10:47:23.498404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057817
observed b27b60bd8f17d3b5e9b195509fd5ee27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.479891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057817/manifest.json
observed 295b598f05a0aeafbe9f78f094d3b75e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.459656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057817/publication.md
observed f8e8229bcacaad4a4f910d1d42c45c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.438897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057817/publication.txt
observed e857eedc277d2728f4e3c43c0d404aa1...
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.