Pith Number

pith:VL37EXVM

pith:2011:VL37EXVMZH3MUZQIRWTPSKKVCC

not attested not anchored not stored refs pending

Low resolution spectroscopy of hot post-AGB candidates II. LS, LSS, LSE stars and additional IRAS sources

J. S. Drilling, J. Vijapurkar, M. Parthasarathy, Y. Takeda

arxiv:1112.3104 v1 · 2011-12-14 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VL37EXVMZH3MUZQIRWTPSKKVCC}

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	2026-05-18T04:06:20.188294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaf7f25eacc9f6ca66088da6f929551080ea8c4d12d1dc12e542f4226ea3a814

Aliases

arxiv: 1112.3104 · arxiv_version: 1112.3104v1 · doi: 10.48550/arxiv.1112.3104 · pith_short_12: VL37EXVMZH3M · pith_short_16: VL37EXVMZH3MUZQI · pith_short_8: VL37EXVM

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/VL37EXVMZH3MUZQIRWTPSKKVCC \
  | 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: aaf7f25eacc9f6ca66088da6f929551080ea8c4d12d1dc12e542f4226ea3a814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9aa66045b8576ed0de003af9373ff4ceb17c01a574a7eedd502c952f151bdae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-14T02:57:17Z",
    "title_canon_sha256": "ab3e8ee43aefec301281babd54e9621736bca0f4efb5968ccee30e188b682ba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3104",
    "kind": "arxiv",
    "version": 1
  }
}