Pith Number

pith:T77CLUS7

pith:2007:T77CLUS7DOQIAIJKNDE33LO4RO

not attested not anchored not stored refs pending

Observational evidence for AGN feedback in early-type galaxies

1), (2) ICG Portsmouth, (3) University of Hertfordshire, (4) Yonsei University), Claudia Maraston (2, Daniel Thomas (2, Joseph Silk (1) ((1) Oxford Astrophysics, Kevin Schawinski (1), Marc Sarzi (3, Seok-Joo Joo (4), Sugata Kaviraj (1), Sukyoung K. Yi (4)

arxiv:0709.3015 v1 · 2007-09-19 · 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{T77CLUS7DOQIAIJKNDE33LO4RO}

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	2026-05-18T04:23:10.883140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ffe25d25f1ba080212a68c9bdaddc8b973bf62112e7201c94e63c0326189737

Aliases

arxiv: 0709.3015 · arxiv_version: 0709.3015v1 · doi: 10.48550/arxiv.0709.3015 · pith_short_12: T77CLUS7DOQI · pith_short_16: T77CLUS7DOQIAIJK · pith_short_8: T77CLUS7

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/T77CLUS7DOQIAIJKNDE33LO4RO \
  | 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: 9ffe25d25f1ba080212a68c9bdaddc8b973bf62112e7201c94e63c0326189737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bdc90baf4e0272822a19ccb87f73e2dde9044a5e27f420f1eb18040f212a6e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-19T13:36:57Z",
    "title_canon_sha256": "c221defff495ac0168f6bb8056c2b862092d55eeee5c63bd4317d019ccd68115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.3015",
    "kind": "arxiv",
    "version": 1
  }
}