Pith Number

pith:YCIQMKIM

pith:2012:YCIQMKIMYPKNXMNMVS27M36DLV

not attested not anchored not stored refs pending

Discovery of planetary nebulae using predictive mid-infrared diagnostics

Anne J. Green, David J. Frew, Frederic Vogt, Ivan Bojicic, Laurence Sabin, Lizette Guzman-Ramirez, Martin Cohen, Milorad Stupar, Quentin A. Parker

arxiv:1208.4164 v1 · 2012-08-21 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YCIQMKIMYPKNXMNMVS27M36DLV}

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	2026-05-18T01:55:08.944149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c09106290cc3d4dbb1acacb5f66fc35d62c6b5b63a34b5d801fbe1ad23e374d2

Aliases

arxiv: 1208.4164 · arxiv_version: 1208.4164v1 · doi: 10.48550/arxiv.1208.4164 · pith_short_12: YCIQMKIMYPKN · pith_short_16: YCIQMKIMYPKNXMNM · pith_short_8: YCIQMKIM

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/YCIQMKIMYPKNXMNMVS27M36DLV \
  | 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: c09106290cc3d4dbb1acacb5f66fc35d62c6b5b63a34b5d801fbe1ad23e374d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1362ba5894491730c9ddb416f6a65562d060ad93a8ca6fae764680635adf9854",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-08-21T02:48:40Z",
    "title_canon_sha256": "8d774e746b9adb531a3ff5f97315693836b81d1015d1f9e0753ea7c977b8d818"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4164",
    "kind": "arxiv",
    "version": 1
  }
}