Pith Number

pith:JD5QBPHD

pith:2009:JD5QBPHDBZFG2VI6BWL3LFX6MT

not attested not anchored not stored refs pending

The abundance of HNCO and its use as a diagnostic of environment

A.J. Markwick, D. M. Tideswell, G. A. Fuller, T. J. Millar

arxiv:0909.4337 v1 · 2009-09-24 · 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{JD5QBPHDBZFG2VI6BWL3LFX6MT}

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	2026-05-18T02:11:38.193713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48fb00bce30e4a6d551e0d97b596fe64df39f71e2385b9f5b837a114429e7d05

Aliases

arxiv: 0909.4337 · arxiv_version: 0909.4337v1 · doi: 10.48550/arxiv.0909.4337 · pith_short_12: JD5QBPHDBZFG · pith_short_16: JD5QBPHDBZFG2VI6 · pith_short_8: JD5QBPHD

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/JD5QBPHDBZFG2VI6BWL3LFX6MT \
  | 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: 48fb00bce30e4a6d551e0d97b596fe64df39f71e2385b9f5b837a114429e7d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10c9554bae4b64cdd0d5baff58d02f3fe016ed4ff964809f90ad8da21de4736e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-24T00:00:15Z",
    "title_canon_sha256": "9e326edaa9cf67ec3ecb027bba743fb8af6f01b1f868492273302cbd6ba29e24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4337",
    "kind": "arxiv",
    "version": 1
  }
}