Pith. sign in
Pith Number

pith:6JESVDTF

pith:2008:6JESVDTFF3S5LBLQP762LURANL
not attested not anchored not stored refs pending

An X-ray photometry system I: Chandra ACIS

G. Fabbiano, H.-J. Grimm, J. McDowell, M. Elvis

arxiv:0808.3718 v1 · 2008-08-27 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6JESVDTFF3S5LBLQP762LURANL}

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 2026-07-04T15:34:13.955015Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f2492a8e652ee5d585707ffda5d2206ada1fc30e8d7491922bdc4cf4fc1be33e

Aliases

arxiv: 0808.3718 · arxiv_version: 0808.3718v1 · doi: 10.48550/arxiv.0808.3718 · pith_short_12: 6JESVDTFF3S5 · pith_short_16: 6JESVDTFF3S5LBLQ · pith_short_8: 6JESVDTF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6JESVDTFF3S5LBLQP762LURANL \
  | 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: f2492a8e652ee5d585707ffda5d2206ada1fc30e8d7491922bdc4cf4fc1be33e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "29389e2d4555c4bf71b3e602678e94ac085b5725103c0325c70b149a745796ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-27T15:12:59Z",
    "title_canon_sha256": "f10cf736909797e865e4c5c0a7ddb162d026df0538f324c4cf8a71f6c31aa06f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3718",
    "kind": "arxiv",
    "version": 1
  }
}