Pith Number

pith:NEPQ5S2R

pith:2025:NEPQ5S2RIL4H6C2DIGKIWSDAQR

not attested not anchored not stored refs pending

Measuring metal sulfides in interstellar dust with PRIMA

Ang\`ele Taillard, Asunci\'on Fuente, Izaskun Jim\'enez-Serra, Laura Colzi, Marta Rey-Montejo, Nami Sakai, Shaoshan Zeng, Yao-Lun Yang

arxiv:2509.02067 v1 · 2025-09-02 · astro-ph.IM · 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{NEPQ5S2RIL4H6C2DIGKIWSDAQR}

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	2026-07-05T12:03:13.935533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

691f0ecb5142f87f0b4341948b4860847e01b1422cac48ca78c6eb670070d989

Aliases

arxiv: 2509.02067 · arxiv_version: 2509.02067v1 · doi: 10.48550/arxiv.2509.02067 · pith_short_12: NEPQ5S2RIL4H · pith_short_16: NEPQ5S2RIL4H6C2D · pith_short_8: NEPQ5S2R

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/NEPQ5S2RIL4H6C2DIGKIWSDAQR \
  | 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: 691f0ecb5142f87f0b4341948b4860847e01b1422cac48ca78c6eb670070d989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6ff1309c577aac3ba9d50e0d9b9acae3f7c1ba2bca56196fa01b79fa66706fe",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-09-02T08:07:39Z",
    "title_canon_sha256": "ea0f519e0ed3e3d59432b105431e581fc15f8abf632cb2041aba12485563806c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02067",
    "kind": "arxiv",
    "version": 1
  }
}