pith. sign in
Pith Number

pith:WJPWJS25

pith:2012:WJPWJS2565OVICUEHGXUZDKK7C
not attested not anchored not stored refs pending

Spitzer observations of the HH 1/2 system. The discovery of the counterjet

(2) Instituto de Ciencias Nucleares, A. C. Raga (2) ((1) Infrared Processing, Analysis Center, A. Noriega-Crespo (1), California Institute of Technology, Universidad Nacional Autonoma de Mexico)

arxiv:1203.1032 v1 · 2012-03-05 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WJPWJS2565OVICUEHGXUZDKK7C}

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 2026-05-18T01:58:14.726029Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b25f64cb5df75d540a8439af4c8d4af8954e39c84c2be3f38c73356878f9b5e6

Aliases

arxiv: 1203.1032 · arxiv_version: 1203.1032v1 · doi: 10.48550/arxiv.1203.1032 · pith_short_12: WJPWJS2565OV · pith_short_16: WJPWJS2565OVICUE · pith_short_8: WJPWJS25
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WJPWJS2565OVICUEHGXUZDKK7C \
  | 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: b25f64cb5df75d540a8439af4c8d4af8954e39c84c2be3f38c73356878f9b5e6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "578885e7a39d3572e0af96f3c7ba4dd504fe86fba13a0818d6cc3b2c15e270d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-05T21:00:00Z",
    "title_canon_sha256": "5a0e7e16e154ef6d2baed6ad3217a30c16f5256420668e44d7bd361eba65ef3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1032",
    "kind": "arxiv",
    "version": 1
  }
}