Pith Number

pith:E6GRKW6Z

pith:2008:E6GRKW6ZQFRGK6V3JU5LJCWSS3

not attested not anchored not stored refs pending

A parsec scale X-ray extended structure from the X-ray binary Circinus X-1

(2) UW-Madison, (3) Southampton, (4) SRON, 5), (5) CfA), C. Kaiser (3), D. Altamirano (1), L. Kuiper (4), M. van der Klis (1), P. Casella (1) ((1) Amsterdam, P.G. Jonker (4, P. Soleri (1), R. Fender (3), R. Wijnands (1), S. Heinz (2), V. Tudose (1)

arxiv:0810.2202 v1 · 2008-10-13 · 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{E6GRKW6ZQFRGK6V3JU5LJCWSS3}

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	2026-05-18T02:15:32.026967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

278d155bd98162657abb4d3ab48ad296f524aa180db344e2d0101911753a7fd4

Aliases

arxiv: 0810.2202 · arxiv_version: 0810.2202v1 · doi: 10.48550/arxiv.0810.2202 · pith_short_12: E6GRKW6ZQFRG · pith_short_16: E6GRKW6ZQFRGK6V3 · pith_short_8: E6GRKW6Z

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/E6GRKW6ZQFRGK6V3JU5LJCWSS3 \
  | 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: 278d155bd98162657abb4d3ab48ad296f524aa180db344e2d0101911753a7fd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fec71fa16c6429a9dd46afeb2aaab126cd7fafd673a8e96018ab9c87a4ecd5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-13T10:32:11Z",
    "title_canon_sha256": "21647725ce41cff0a62fe597cf8d639f80fcc586392747f05e655f9476336a80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2202",
    "kind": "arxiv",
    "version": 1
  }
}