pith. sign in
Pith Number

pith:X24HI6AL

pith:2009:X24HI6ALOECCPSJ6WP7DY7USB2
not attested not anchored not stored refs pending

Absolute timing of the Crab pulsar with the INTEGRAL/SPI telescope

E. Jourdain, J.P. Roques, S. Molkov

arxiv:0911.2618 v1 · 2009-11-13 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{X24HI6ALOECCPSJ6WP7DY7USB2}

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 2026-05-18T02:34:05.598599Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

beb874780b710427c93eb3fe3c7e920eac02cbc02c9a3e66379a52bcc02f45db

Aliases

arxiv: 0911.2618 · arxiv_version: 0911.2618v1 · doi: 10.48550/arxiv.0911.2618 · pith_short_12: X24HI6ALOECC · pith_short_16: X24HI6ALOECCPSJ6 · pith_short_8: X24HI6AL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/X24HI6ALOECCPSJ6WP7DY7USB2 \
  | 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: beb874780b710427c93eb3fe3c7e920eac02cbc02c9a3e66379a52bcc02f45db
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "eba4dae7e4498173c5aa502799b75549ae5a4dfb027ad6858b3a4356dd371aa5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-13T14:24:55Z",
    "title_canon_sha256": "15879f7d3896711d96fdcb560ab6e7ad976c632e315b9f060c073d7c5699696a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2618",
    "kind": "arxiv",
    "version": 1
  }
}