Pith Number

pith:R5GLWVUF

pith:2010:R5GLWVUFIG6QMJMW65T6G76YFW

not attested not anchored not stored refs pending

Modelling H2 Infrared Emission of the Helix Nebula Cometary Knots

Albert A. Zijlstra, Isabel Aleman, Mikako Matsuura, Rafael Kimura, Ruth Gruenwald

arxiv:1010.4049 v1 · 2010-10-19 · 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{R5GLWVUFIG6QMJMW65T6G76YFW}

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	2026-05-18T04:38:59.917209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f4cbb568541bd062596f767e37fd82d95e9097677c4246641c7cadc9fd2c4ef

Aliases

arxiv: 1010.4049 · arxiv_version: 1010.4049v1 · doi: 10.48550/arxiv.1010.4049 · pith_short_12: R5GLWVUFIG6Q · pith_short_16: R5GLWVUFIG6QMJMW · pith_short_8: R5GLWVUF

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/R5GLWVUFIG6QMJMW65T6G76YFW \
  | 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: 8f4cbb568541bd062596f767e37fd82d95e9097677c4246641c7cadc9fd2c4ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa7b9486e35dc228965f6eef53953973abf40533746dc674aa3d844a90e01d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-10-19T20:58:32Z",
    "title_canon_sha256": "4022bcfb80de811c3abb7ed60f99ca56085023142e2ac3ee669cbff4d7582dbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4049",
    "kind": "arxiv",
    "version": 1
  }
}