Pith Number

pith:ZIPVFDUA

pith:2011:ZIPVFDUAA6BTEZOSO635XVYCY4

not attested not anchored not stored refs pending

Penetrating the Homunculus -- Near-Infrared Adaptive Optics Images of Eta Carinae

\'Etienne Artigau, John C. Martin, Kris Davidson, Nathan Smith, Olivier Chesneau, Roberta M. Humphreys

arxiv:1103.4671 v1 · 2011-03-24 · 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{ZIPVFDUAA6BTEZOSO635XVYCY4}

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	2026-05-18T02:02:47.454535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca1f528e8007833265d277b7dbd702c71ed2cc622266cdc582cb29bbc8c6f776

Aliases

arxiv: 1103.4671 · arxiv_version: 1103.4671v1 · doi: 10.48550/arxiv.1103.4671 · pith_short_12: ZIPVFDUAA6BT · pith_short_16: ZIPVFDUAA6BTEZOS · pith_short_8: ZIPVFDUA

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/ZIPVFDUAA6BTEZOSO635XVYCY4 \
  | 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: ca1f528e8007833265d277b7dbd702c71ed2cc622266cdc582cb29bbc8c6f776

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9b816c7bef478d9c35165045b06f9e27847a99e7388b17a4f511358acd9c174",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-24T02:51:09Z",
    "title_canon_sha256": "a833ce6508966b7776bfe6623f6c79f2e0e6bae93b512ecdbaec8309c66643ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4671",
    "kind": "arxiv",
    "version": 1
  }
}