Pith Number

pith:TOMU2YQP

pith:2006:TOMU2YQPKS3XGEFCWQELIN73JM

not attested not anchored not stored refs pending

The X-ray Properties of Early-Type Galaxies in the Extended Chandra Deep Field-South

& A. T. Steffen, B. D. Lehmer, D. H. McIntosh, D. M. Alexander, D. P. Schneider, E. F. Bell, F. E. Bauer, G. Hasinger, T. Miyaji, V. Mainieri, W. N. Brandt

arxiv:astro-ph/0612003 v1 · 2006-11-30 · 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{TOMU2YQPKS3XGEFCWQELIN73JM}

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	2026-07-04T16:59:42.684892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b994d620f54b77310a2b408b437fb4b0875350d9b71ced1d38cc21a6e133017

Aliases

arxiv: astro-ph/0612003 · arxiv_version: astro-ph/0612003v1 · doi: 10.48550/arxiv.astro-ph/0612003 · pith_short_12: TOMU2YQPKS3X · pith_short_16: TOMU2YQPKS3XGEFC · pith_short_8: TOMU2YQP

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/TOMU2YQPKS3XGEFCWQELIN73JM \
  | 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: 9b994d620f54b77310a2b408b437fb4b0875350d9b71ced1d38cc21a6e133017

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1314cc314a228f0af0bf71e89cd6b2924c6bab552ed2b3b1248fd112b77ce68f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-30T21:22:32Z",
    "title_canon_sha256": "0fe242667bb446730e833cfd79a34fd16fbbbb7c5362e5a1bf1f3c7869ef6efa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612003",
    "kind": "arxiv",
    "version": 1
  }
}