Pith Number

pith:34OY4T7Z

pith:2010:34OY4T7Z6ZLQ5UU7BTSB2J6DWD

not attested not anchored not stored refs pending

Quantifying the Imprecision of Accretion Theory and Implications for Multi-Epoch Observations of Protoplanetary Discs

Eric G. Blackman, Farrukh Nauman, Richard G. Edgar

arxiv:1010.1478 v2 · 2010-10-07 · astro-ph.SR · astro-ph.EP · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34OY4T7Z6ZLQ5UU7BTSB2J6DWD}

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	2026-05-18T04:39:40.240853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df1d8e4ff9f6570ed29f0ce41d27c3b0eb7fb8c5409a1548cf6d1cd859e23669

Aliases

arxiv: 1010.1478 · arxiv_version: 1010.1478v2 · doi: 10.48550/arxiv.1010.1478 · pith_short_12: 34OY4T7Z6ZLQ · pith_short_16: 34OY4T7Z6ZLQ5UU7 · pith_short_8: 34OY4T7Z

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/34OY4T7Z6ZLQ5UU7BTSB2J6DWD \
  | 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: df1d8e4ff9f6570ed29f0ce41d27c3b0eb7fb8c5409a1548cf6d1cd859e23669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95f5140faf876ce60625b1e6bfce6abfe6545378ec31f06e7e9ce0e7f8a74cef",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-07T16:36:00Z",
    "title_canon_sha256": "d283fe7cb8fc1146fe63b59d27c84f49660e887febfa03dcc44db6c865e06aa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1478",
    "kind": "arxiv",
    "version": 2
  }
}