Pith Number

pith:EH4W2Q4K

pith:2015:EH4W2Q4KIIMLPDUSWQEGDL35Q3

not attested not anchored not stored refs pending

Comet 67P/Churyumov-Gerasimenko: Constraints on its origin from OSIRIS observations

(10) Laboratoire d'Astrophysique de Marseille, (11) Dipartimento di Geoscienze, 12), (12) C.I.S.A.S., 13, (13) Department of Information Engineering, 14), (14) CNR-IFN UOS, 2), (2) Uppsala University, (3) Southwest Research Institute, (4) University of Maryland, (5) University of Padova, (6) University of Bern, (7) Max-Planck Institut f\"ur Sonnensystemforschung, (8) National Central University, (9) TU Braunschweig, C. Barbieri (5), C. G\"uttler (7), F. Marzari (5), G. Naletto (12, H. Rickman (1, H. Sierks (7), H. U. Keller (9), M. F. A'Hearn (4), M. Massironi (11, M. Pajola (12), M. R. El-Maarry (6), OSIRIS Team ((1) P.A.S. Space Research Center, Padova LUXOR), P. Lamy (10), S. Marchi (3), Taiwan, University of Padova, Warszawa, W.-H. Ip (8)

arxiv:1505.07021 v1 · 2015-05-26 · 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{EH4W2Q4KIIMLPDUSWQEGDL35Q3}

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	2026-05-18T01:27:23.654116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f96d438a4218b78e92b40861af7d86da542a76f43f40ba0cbd3dfa01ff56fb

Aliases

arxiv: 1505.07021 · arxiv_version: 1505.07021v1 · doi: 10.48550/arxiv.1505.07021 · pith_short_12: EH4W2Q4KIIML · pith_short_16: EH4W2Q4KIIMLPDUS · pith_short_8: EH4W2Q4K

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/EH4W2Q4KIIMLPDUSWQEGDL35Q3 \
  | 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: 21f96d438a4218b78e92b40861af7d86da542a76f43f40ba0cbd3dfa01ff56fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11d0ea0e0df42344d1f8298936e7eea15f9f8f62fbb90688595c0db65395a154",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-05-26T15:48:30Z",
    "title_canon_sha256": "09e0b1f4304a60e89db20051a22ebdea98df8975ac624519d5beb7aa83f98dda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07021",
    "kind": "arxiv",
    "version": 1
  }
}