Pith Number

pith:6AQVPJFW

pith:2013:6AQVPJFWD3LT3D5J2LLCAJBGZF

not attested not anchored not stored refs pending

Open-structure composite mirrors for the Cherenkov Telescope Array

Jacek Niemiec, Jerzy Michalowski, Marek Stodulski, Michal Dyrda

arxiv:1307.4275 v1 · 2013-07-16 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6AQVPJFWD3LT3D5J2LLCAJBGZF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:18:19.241748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f02157a4b61ed73d8fa9d2d6202426c962b5b7c8fa4058db9bb6b2c7bad0a02e

Aliases

arxiv: 1307.4275 · arxiv_version: 1307.4275v1 · doi: 10.48550/arxiv.1307.4275 · pith_short_12: 6AQVPJFWD3LT · pith_short_16: 6AQVPJFWD3LT3D5J · pith_short_8: 6AQVPJFW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6AQVPJFWD3LT3D5J2LLCAJBGZF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f02157a4b61ed73d8fa9d2d6202426c962b5b7c8fa4058db9bb6b2c7bad0a02e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7772decf3ae394f5991c1303e7d75cdbd1ba84678770a32347c44749b9abbc25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-16T13:47:24Z",
    "title_canon_sha256": "218dd2703eb4515258764ae9c3462081f77121b0fd7b643e3f77fe16aae3eba3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4275",
    "kind": "arxiv",
    "version": 1
  }
}