Pith Number

pith:F22LXAGD

pith:2008:F22LXAGDYEPSIZPWAORQHAYFPY

not attested not anchored not stored refs pending

N2H+ and HC3N Observations of the Orion A Cloud

K. Tatematsu, R. Kandori, T. Umemoto, Y. Sekimoto

arxiv:0804.0111 v1 · 2008-04-01 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F22LXAGDYEPSIZPWAORQHAYFPY}

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	2026-05-18T02:15:59.668723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eb4bb80c3c11f2465f603a30383057e091de4711c37c295d2e3903d17587aa2

Aliases

arxiv: 0804.0111 · arxiv_version: 0804.0111v1 · doi: 10.48550/arxiv.0804.0111 · pith_short_12: F22LXAGDYEPS · pith_short_16: F22LXAGDYEPSIZPW · pith_short_8: F22LXAGD

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/F22LXAGDYEPSIZPWAORQHAYFPY \
  | 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: 2eb4bb80c3c11f2465f603a30383057e091de4711c37c295d2e3903d17587aa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "525ee9afbaa4e890a26827e24865bc6dc08ce331a70df05ea417eb7eb86b096b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-01T08:57:42Z",
    "title_canon_sha256": "a645277f953a04d3d6f7da4e6f8c60b65c7c871a8a29c3e8522c510d69785919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0111",
    "kind": "arxiv",
    "version": 1
  }
}