Pith Number

pith:INPEMNKX

pith:2008:INPEMNKXJT75EGYDSZPOPM67A3

not attested not anchored not stored refs pending

Gas Phase diagnostics of Protoplanetary disk extension

B. Ercolano, C.J. Clarke, J.J. Drake

arxiv:0811.3520 v1 · 2008-11-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INPEMNKXJT75EGYDSZPOPM67A3}

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	2026-05-18T02:15:13.594246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

435e4635574cffd21b03965ee7b3df06ccd0ba2a9e4c4ef1e161a432f797e1fe

Aliases

arxiv: 0811.3520 · arxiv_version: 0811.3520v1 · doi: 10.48550/arxiv.0811.3520 · pith_short_12: INPEMNKXJT75 · pith_short_16: INPEMNKXJT75EGYD · pith_short_8: INPEMNKX

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/INPEMNKXJT75EGYDSZPOPM67A3 \
  | 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: 435e4635574cffd21b03965ee7b3df06ccd0ba2a9e4c4ef1e161a432f797e1fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a339bed86b0d0cc38e95eabecbd264e5809501620cfc55f9683c7c5d281c1c20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-21T11:42:39Z",
    "title_canon_sha256": "f76bf26c017f73035a62c34caf4bd81abc979737439411edee9e5b784ba80942"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3520",
    "kind": "arxiv",
    "version": 1
  }
}