Pith Number

pith:IM42X6PI

pith:2000:IM42X6PIBE4P7W4BE2ILMA3IQL

not attested not anchored not stored refs pending

Evolution of Buoyant Bubbles in M87

Churchill College), C.R.Kaiser (MPA), E.Churazov (MPA, H.B\"ohringer (MPE), IKI), M.Br\"uggen (MPA, W.Forman (CfA)

arxiv:astro-ph/0008215 v2 · 2000-08-15 · 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{IM42X6PIBE4P7W4BE2ILMA3IQL}

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.

Cited by

1 paper in Pith

The limits of feedback from active galactic nuclei

Receipt and verification

First computed	2026-05-18T01:09:10.984413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4339abf9e80938ffdb812690b6036882da27bfc772e0a488e86d041d98fd827e

Aliases

arxiv: astro-ph/0008215 · arxiv_version: astro-ph/0008215v2 · doi: 10.48550/arxiv.astro-ph/0008215 · pith_short_12: IM42X6PIBE4P · pith_short_16: IM42X6PIBE4P7W4B · pith_short_8: IM42X6PI

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/IM42X6PIBE4P7W4BE2ILMA3IQL \
  | 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: 4339abf9e80938ffdb812690b6036882da27bfc772e0a488e86d041d98fd827e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7712bc1e0b515530a09625a075deb7ed677edb593bc2179ab9837242ef95eb41",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-15T14:11:32Z",
    "title_canon_sha256": "d67c231f5fc7a4a6fb67ffb13e848f46da118ca4dc73c8704c061d8d52cf37a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008215",
    "kind": "arxiv",
    "version": 2
  }
}