Pith Number

pith:NMCQ6KGU

pith:2011:NMCQ6KGU7IB6GVIBSO7MSTRXDG

not attested not anchored not stored refs pending

A mid-infrared imaging catalogue of post-AGB stars

Albert A. Zijlstra, Djamel Mekarnia, Eric Lagadec, Hans Van Winckel, Janet E. Bowey, Michael J. Barlow, Mikako Matsuura, Olga Suarez, Olivier Chesneau, Philippe Bendjoya, Ryszard Szczerba, Silvia Lorenz-Martins, Tijl Verhoelst, Tim Gledhill

arxiv:1102.4561 v2 · 2011-02-22 · 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{NMCQ6KGU7IB6GVIBSO7MSTRXDG}

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	2026-05-18T02:03:06.445651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b050f28d4fa03e3550193bec94e3719a801d2ffa9098bc31847213dafe9cbcd

Aliases

arxiv: 1102.4561 · arxiv_version: 1102.4561v2 · doi: 10.48550/arxiv.1102.4561 · pith_short_12: NMCQ6KGU7IB6 · pith_short_16: NMCQ6KGU7IB6GVIB · pith_short_8: NMCQ6KGU

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/NMCQ6KGU7IB6GVIBSO7MSTRXDG \
  | 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: 6b050f28d4fa03e3550193bec94e3719a801d2ffa9098bc31847213dafe9cbcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77f7fcdcd3a8e9e65e19fa25d8bdddff7134e3628545f69ae8fc6e54a25a6c23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-22T17:21:47Z",
    "title_canon_sha256": "ec44c7048ed79a26c1712ad52342a87f93105757b986e1c90001ac0c21338666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4561",
    "kind": "arxiv",
    "version": 2
  }
}