Pith Number

pith:U7JDPT6Z

pith:2015:U7JDPT6ZXBCZVRR2OEBZPEVWAH

not attested not anchored not stored refs pending

Modelling the chemistry of star forming filaments - H$_2$ and CO chemistry

D. Seifried, S. Walch

arxiv:1510.06544 v2 · 2015-10-22 · astro-ph.GA · 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{U7JDPT6ZXBCZVRR2OEBZPEVWAH}

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	2026-05-18T01:18:42.215271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d237cfd9b8459ac63a71039792b601dbd8be6dfa5729cf02b60f182e3fad98

Aliases

arxiv: 1510.06544 · arxiv_version: 1510.06544v2 · doi: 10.48550/arxiv.1510.06544 · pith_short_12: U7JDPT6ZXBCZ · pith_short_16: U7JDPT6ZXBCZVRR2 · pith_short_8: U7JDPT6Z

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/U7JDPT6ZXBCZVRR2OEBZPEVWAH \
  | 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: a7d237cfd9b8459ac63a71039792b601dbd8be6dfa5729cf02b60f182e3fad98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "056acac3d8d1e2079e23e2b6bff78bfc3a95b43b19de62b005de3d169c30f617",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-22T09:32:23Z",
    "title_canon_sha256": "b7bbbe3dfbf7ea0e43e607aa4e944be5a24c4ece022459965619463f7c56494e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06544",
    "kind": "arxiv",
    "version": 2
  }
}