Pith Number

pith:YU57EOLS

pith:2020:YU57EOLSB4PWBUXUYFGLU75MQ2

not attested not anchored not stored refs pending

Ammonium salts are a reservoir of nitrogen on a cometary nucleus and possibly on some asteroids

A. Faure, A. Longobardo, A. Pommerol, A. Raponi, B. Rousseau, B. Schmitt, C. Leyrat, D. Bockel\'ee-Morvan, D. Kappel, E. Palomba, E. Quirico, F. Capaccioni, F. Mancarella, F. Tosi, G. Arnold, G. Filacchione, I. Istiqomah, L. Bonal, L. Flandinet, L. Moroz, M. C. De Sanctis, M. Ciarniello, N. Thomas, O. Brissaud, O. Poch, P. Beck, P. Hily-Blant, P. Theul\'e, S. Erard, S. Potin, V. Mennella, V. Vinogradoff

arxiv:2003.06034 v1 · 2020-03-12 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YU57EOLSB4PWBUXUYFGLU75MQ2}

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	2026-07-05T00:47:43.134555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c53bf239720f1f60d2f4c14cba7fac868d0faf9743a5d79ada42718a89caac3c

Aliases

arxiv: 2003.06034 · arxiv_version: 2003.06034v1 · doi: 10.48550/arxiv.2003.06034 · pith_short_12: YU57EOLSB4PW · pith_short_16: YU57EOLSB4PWBUXU · pith_short_8: YU57EOLS

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/YU57EOLSB4PWBUXUYFGLU75MQ2 \
  | 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: c53bf239720f1f60d2f4c14cba7fac868d0faf9743a5d79ada42718a89caac3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e9001eddb445356e45b055a88d4a260c49ef64e035fb3a9aae910c9768efb5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-03-12T21:57:01Z",
    "title_canon_sha256": "e0aaa68d10847a9ee30a5420eb5435866ffd680edc6c5084314bfabaa4fd4fcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06034",
    "kind": "arxiv",
    "version": 1
  }
}