Pith Number

pith:372I3RGE

pith:2015:372I3RGEBIQRXVKA7AATBPWJXB

not attested not anchored not stored refs pending

Measurement of [HDCO]/[H2CO] Ratios in the Envelopes of Extremely Cold Protostars in Orion

Amelia M. Stutz, Ken'ichi Tatematsu, Miju Kang, Minho Choi

arxiv:1510.03532 v1 · 2015-10-13 · 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{372I3RGEBIQRXVKA7AATBPWJXB}

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	2026-05-18T01:30:16.923663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dff48dc4c40a211bd540f80130bec9b877d7f5fbfdbf43635d8ecef97d0abedd

Aliases

arxiv: 1510.03532 · arxiv_version: 1510.03532v1 · doi: 10.48550/arxiv.1510.03532 · pith_short_12: 372I3RGEBIQR · pith_short_16: 372I3RGEBIQRXVKA · pith_short_8: 372I3RGE

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/372I3RGEBIQRXVKA7AATBPWJXB \
  | 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: dff48dc4c40a211bd540f80130bec9b877d7f5fbfdbf43635d8ecef97d0abedd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b13399637f36d9aa9a1e564b5aeb796da36cb1dba686faac40497349f114f270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-13T05:09:09Z",
    "title_canon_sha256": "ff744b302039a33f289bf323656900bab4beec7ef5242ad3c469ed7f7d48e627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03532",
    "kind": "arxiv",
    "version": 1
  }
}