Pith Number

pith:HY7THSTT

pith:2004:HY7THSTT36XL6HFEMVTZ7K5UWR

not attested not anchored not stored refs pending

Disks, Tori, and Cocoons: Emission and Absorption Diagnostics of AGN Environments

A.B. Peck, C. Henkel, D.L. Jones, L.J. Greenhill, R. Morganti

arxiv:astro-ph/0409501 v1 · 2004-09-21 · 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{HY7THSTT36XL6HFEMVTZ7K5UWR}

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	2026-07-04T16:44:43.884292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e3f33ca73dfaebf1ca465679fabb4b448101864ce6a6561f373d4c58eafe748

Aliases

arxiv: astro-ph/0409501 · arxiv_version: astro-ph/0409501v1 · doi: 10.48550/arxiv.astro-ph/0409501 · pith_short_12: HY7THSTT36XL · pith_short_16: HY7THSTT36XL6HFE · pith_short_8: HY7THSTT

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/HY7THSTT36XL6HFEMVTZ7K5UWR \
  | 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: 3e3f33ca73dfaebf1ca465679fabb4b448101864ce6a6561f373d4c58eafe748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3630b7b25fe225c18472effe51ff8abb6ee59b7d03093405ffe17a5a7c1ba415",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-21T11:12:29Z",
    "title_canon_sha256": "a68f35d9760f0f6dd5cc2ab0dedf532e7d2cda97058286bfeb7aef4a0a7f631a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409501",
    "kind": "arxiv",
    "version": 1
  }
}