Pith Number

pith:KTIO4MPS

pith:2007:KTIO4MPS5KQJD6ZL62FJZ72PCJ

not attested not anchored not stored refs pending

Dusty disks at the bottom of the IMF

Aleks Scholz (SUPA, Ray Jayawardhana (University of Toronto), University of St. Andrews)

arxiv:0711.2510 v1 · 2007-11-15 · 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{KTIO4MPS5KQJD6ZL62FJZ72PCJ}

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	2026-05-18T02:16:09.336840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54d0ee31f2eaa091fb2bf68a9cff4f1264af4f0c2d8056e2f806a9e78fabcd3d

Aliases

arxiv: 0711.2510 · arxiv_version: 0711.2510v1 · doi: 10.48550/arxiv.0711.2510 · pith_short_12: KTIO4MPS5KQJ · pith_short_16: KTIO4MPS5KQJD6ZL · pith_short_8: KTIO4MPS

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/KTIO4MPS5KQJD6ZL62FJZ72PCJ \
  | 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: 54d0ee31f2eaa091fb2bf68a9cff4f1264af4f0c2d8056e2f806a9e78fabcd3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ae93fe159b86e350beb31421bae750622e9511d5a9863d422636a908180d660",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-15T21:01:27Z",
    "title_canon_sha256": "d61a551e204ea124cb74c03f971ede673792b209fb0bc444d80a6def216a0954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.2510",
    "kind": "arxiv",
    "version": 1
  }
}