pith. sign in
Pith Number

pith:55SMNJYB

pith:2013:55SMNJYBKU5W3DVHB34D5AYKGP
not attested not anchored not stored refs pending

IR Spectrometer Project for the BTA Telescope

E. V. Emelianov, V. A. Murzin, V. F. Vdovin, V. L. Afanasiev

arxiv:1309.2188 v1 · 2013-09-06 · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{55SMNJYBKU5W3DVHB34D5AYKGP}

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 2026-05-18T03:13:46.984590Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ef64c6a701553b6d8ea70ef83e830a33c9e5c6734344a9053f6e7f068f2e17b5

Aliases

arxiv: 1309.2188 · arxiv_version: 1309.2188v1 · doi: 10.48550/arxiv.1309.2188 · pith_short_12: 55SMNJYBKU5W · pith_short_16: 55SMNJYBKU5W3DVH · pith_short_8: 55SMNJYB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/55SMNJYBKU5W3DVHB34D5AYKGP \
  | 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: ef64c6a701553b6d8ea70ef83e830a33c9e5c6734344a9053f6e7f068f2e17b5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "37b6a03479665a729c9c40279339ee91bd72da9fdd01f77ff3b9edb0517b1d6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-09-06T08:01:46Z",
    "title_canon_sha256": "b28097c2673f1ec2bcec2981595bfd7ad8320f6160c26a9f331f0c2a1bb9b696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2188",
    "kind": "arxiv",
    "version": 1
  }
}