Pith Number

pith:XRSAQYZS

pith:2019:XRSAQYZSDV7RHI64MHA4K3OK2T

not attested not anchored not stored refs pending

Spatially resolved carbon and oxygen isotopic ratios in NGC 253 using optically thin tracers

C. Henkel, D. S. Meier, K. Sakamoto, P. P. van der Werf, R. Aladro, S. Martin, S. Muller

arxiv:1903.03244 v1 · 2019-03-08 · 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{XRSAQYZSDV7RHI64MHA4K3OK2T}

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	2026-05-17T23:47:57.803506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc640863321d7f13a3dc61c1c56dcad4cd02c41872b9b08c5a25731d389a27e4

Aliases

arxiv: 1903.03244 · arxiv_version: 1903.03244v1 · doi: 10.48550/arxiv.1903.03244 · pith_short_12: XRSAQYZSDV7R · pith_short_16: XRSAQYZSDV7RHI64 · pith_short_8: XRSAQYZS

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/XRSAQYZSDV7RHI64MHA4K3OK2T \
  | 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: bc640863321d7f13a3dc61c1c56dcad4cd02c41872b9b08c5a25731d389a27e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f9ae36251829199d5a3305c9d6be31ff13e2b943474aafde8b2b32aea88f946",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-08T01:47:56Z",
    "title_canon_sha256": "c003c7539c48e4d19fac3a8fafa764ef79cac4359f31dee5adb292bced9dcabd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03244",
    "kind": "arxiv",
    "version": 1
  }
}