Pith Number

pith:I4MADKZD

pith:2014:I4MADKZDS3C6AL34RDUGTFXXHH

not attested not anchored not stored refs pending

Observations of nitrogen isotope fractionation in deeply embedded protostars

J. K. Jorgensen, M. Bizzarro, S. E. Bisschop, S. F. Wampfler

arxiv:1408.0285 v1 · 2014-08-01 · astro-ph.SR · astro-ph.EP · 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{I4MADKZDS3C6AL34RDUGTFXXHH}

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	2026-05-18T02:32:53.552528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

471801ab2396c5e02f7c88e86996f739d9338bd2bafaba84b63d57d5cf9a9cb8

Aliases

arxiv: 1408.0285 · arxiv_version: 1408.0285v1 · doi: 10.48550/arxiv.1408.0285 · pith_short_12: I4MADKZDS3C6 · pith_short_16: I4MADKZDS3C6AL34 · pith_short_8: I4MADKZD

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/I4MADKZDS3C6AL34RDUGTFXXHH \
  | 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: 471801ab2396c5e02f7c88e86996f739d9338bd2bafaba84b63d57d5cf9a9cb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11775b9e564c685608dff17970e40cf08eba75e68f27e50d7c94a64d01925453",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-01T20:00:12Z",
    "title_canon_sha256": "13bbc72f86d07266bc48503c676a0ec707b88ad0cbae9cb8ac65e6ad41f5abd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0285",
    "kind": "arxiv",
    "version": 1
  }
}