Pith Number

pith:VGJ444O2

pith:2011:VGJ444O2VNANMDIGHOLPM5WKRR

not attested not anchored not stored refs pending

PSR J0007+7303 in the CTA1 SNR: New Gamma-ray Results from Two Years of Fermi-LAT Observations

A. A. Abdo, A. K. Harding, D. L. Wood, D. Parent, F. Gargano, F. Giordano, K. S. Wood, M. Coleman Miller, M. E. DeCesar, M. T. Wolff, P. S. Ray

arxiv:1107.4151 v1 · 2011-07-21 · astro-ph.HE · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGJ444O2VNANMDIGHOLPM5WKRR}

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	2026-05-18T02:01:13.878074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a993ce71daab40d60d063b96f676ca8c423421700e093e1b3b5de60eec5de070

Aliases

arxiv: 1107.4151 · arxiv_version: 1107.4151v1 · doi: 10.48550/arxiv.1107.4151 · pith_short_12: VGJ444O2VNAN · pith_short_16: VGJ444O2VNANMDIG · pith_short_8: VGJ444O2

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/VGJ444O2VNANMDIGHOLPM5WKRR \
  | 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: a993ce71daab40d60d063b96f676ca8c423421700e093e1b3b5de60eec5de070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b58ea89e2e123a628e41dba13ae0d080754ccfb1a437f94a47ccd79bcd16b20",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-07-21T03:44:55Z",
    "title_canon_sha256": "9741ce9fc5344f51ea96aa4f10aeb7c0a8cdda291b3b340d6e3498d11e9d8747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4151",
    "kind": "arxiv",
    "version": 1
  }
}