Pith Number

pith:2KF6EBQO

pith:2010:2KF6EBQOEGWE5LXKUEFESMXVKP

not attested not anchored not stored refs pending

Beyond the pseudo-time-dependent approach: chemical models of dense core precursors

E.A. Bergin, E. Herbst, G.E. Hassel

arxiv:1003.3423 v1 · 2010-03-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KF6EBQOEGWE5LXKUEFESMXVKP}

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	2026-05-18T02:08:26.377299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28be2060e21ac4eaeeaa10a4932f553d3a868379b15c197b48cc27c54a3cc8b

Aliases

arxiv: 1003.3423 · arxiv_version: 1003.3423v1 · doi: 10.48550/arxiv.1003.3423 · pith_short_12: 2KF6EBQOEGWE · pith_short_16: 2KF6EBQOEGWE5LXK · pith_short_8: 2KF6EBQO

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/2KF6EBQOEGWE5LXKUEFESMXVKP \
  | 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: d28be2060e21ac4eaeeaa10a4932f553d3a868379b15c197b48cc27c54a3cc8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ba8dc49c8f1d6fe36a013fc6e4bfd2b84f5b2dd4923573a600534874d7ee837",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-03-17T18:24:29Z",
    "title_canon_sha256": "9bb8a00fbdcd4260d08872ae0217e860fc0a8475c6ebf2e26358e415809ec023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3423",
    "kind": "arxiv",
    "version": 1
  }
}