Pith Number

pith:BDTM7S2V

pith:2011:BDTM7S2VBM6Z7536ZCYQPL2TBS

not attested not anchored not stored refs pending

I. Collisional evolution and reddening of asteroid surfaces: The problem of conflicting timescales and the role of size-dependent effects

(2) University of Pisa, (3) University of Maryland), D.C. Richardson (3) ((1) Observatoire de la Cote d'Azur, P. Paolicchi (2), S. Marchi (1)

arxiv:1110.2503 v1 · 2011-10-11 · 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{BDTM7S2VBM6Z7536ZCYQPL2TBS}

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	2026-05-18T02:00:13.494610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e6cfcb550b3d9ff77ec8b107af530c9ea1a5039b725c05f6d4caa6f5fbad83

Aliases

arxiv: 1110.2503 · arxiv_version: 1110.2503v1 · doi: 10.48550/arxiv.1110.2503 · pith_short_12: BDTM7S2VBM6Z · pith_short_16: BDTM7S2VBM6Z7536 · pith_short_8: BDTM7S2V

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/BDTM7S2VBM6Z7536ZCYQPL2TBS \
  | 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: 08e6cfcb550b3d9ff77ec8b107af530c9ea1a5039b725c05f6d4caa6f5fbad83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a46bdd54b895be89a7f1450aa146af34b72f400597ae461ab5378b3957b26d4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-10-11T20:36:20Z",
    "title_canon_sha256": "102e14fb5ea2f440697ce2c6fbe2add8580dc69bbe47c5a99e7c465b1e6e4dff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2503",
    "kind": "arxiv",
    "version": 1
  }
}