Pith Number

pith:T5FI3LGQ

pith:2011:T5FI3LGQJ6NQDTTMZIM3JZXGBP

not attested not anchored not stored refs pending

Central free-free-dominated 880 $\micron$ emission in II Zw 40

Hiroyuki Hirashita

arxiv:1107.5902 v1 · 2011-07-29 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T5FI3LGQJ6NQDTTMZIM3JZXGBP}

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	2026-05-18T02:01:05.912699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f4a8dacd04f9b01ce6cca19b4e6e60bd5184312680ce4be59660c86afb90d4f

Aliases

arxiv: 1107.5902 · arxiv_version: 1107.5902v1 · doi: 10.48550/arxiv.1107.5902 · pith_short_12: T5FI3LGQJ6NQ · pith_short_16: T5FI3LGQJ6NQDTTM · pith_short_8: T5FI3LGQ

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/T5FI3LGQJ6NQDTTMZIM3JZXGBP \
  | 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: 9f4a8dacd04f9b01ce6cca19b4e6e60bd5184312680ce4be59660c86afb90d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c3b44728949ff2557c72f9ebf0247d81a86381daadeaf9c61b63bd51d6c45a4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-29T09:03:11Z",
    "title_canon_sha256": "b9593432762a749f80beb7fb661115136e78803b6d19fd3d3bcb0b952a29a529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5902",
    "kind": "arxiv",
    "version": 1
  }
}