Pith Number

pith:52GEQCUO

pith:2007:52GEQCUODPZRAFDT3WNC3VJBKU

not attested not anchored not stored refs pending

High Energy spectra of Seyferts and Unification schemes

Chris Done, Matthew Middleton, Nick Schurch

arxiv:0710.5093 v1 · 2007-10-26 · 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{52GEQCUODPZRAFDT3WNC3VJBKU}

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	2026-05-18T02:16:10.143168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee8c480a8e1bf3101473dd9a2dd5215502680a75d071a7211d179be0ce229f50

Aliases

arxiv: 0710.5093 · arxiv_version: 0710.5093v1 · doi: 10.48550/arxiv.0710.5093 · pith_short_12: 52GEQCUODPZR · pith_short_16: 52GEQCUODPZRAFDT · pith_short_8: 52GEQCUO

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/52GEQCUODPZRAFDT3WNC3VJBKU \
  | 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: ee8c480a8e1bf3101473dd9a2dd5215502680a75d071a7211d179be0ce229f50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbd417bddd5acd35ad915741a81101f8857b4c7c679879424ff34dddccb92896",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-26T13:54:55Z",
    "title_canon_sha256": "7ccfe23b3e791dc773b72cda99e505f9ea07187365bbf21057653fa229f452d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.5093",
    "kind": "arxiv",
    "version": 1
  }
}