OpenTechnical

OT-2026-000057597

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000057597) never changes.

Identity and time

Publication numberOT-2026-000057597 · never reused
Internal UUID01a0ae88-2694-72f0-89fb-87b6a3571bc1 · 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-2026-000057597
StatusPUBLIC

Content hashes

Canonical text5eab40d0866c913985626a6c78e5fa3002cdc962160d9fcedad09fb53448f599
Markdowne0838ee2191f6dbbcf430546bfbbf4222454a913fe275dbb579265614d755775
PDF
Publication page0b152349036a949e979060995ff586447887b02d4a54b6abee59edc510b72f6d
Manifestebd5e601377060e72b33abc002998ea5fee13aae5377c9958ef028127bb4f3bc

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
Signaturen9BjlS+E23CkpEaumZq2Nknr4Ra7SrcM+Et9MndznE2tnDKO2oVFgz4DCwrS2ZGXgjcIYh8DiEFGA/CrqdTcAQ==
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

2026-09-17T10:48:08.925561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057597
observed 0b152349036a949e979060995ff58644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.907134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057597/manifest.json
observed ebd5e601377060e72b33abc002998ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.889125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057597/publication.md
observed e0838ee2191f6dbbcf430546bfbbf422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.871130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057597/publication.txt
observed 5eab40d0866c913985626a6c78e5fa30...
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.