Pith Number

pith:AMB4AU5Y

pith:2019:AMB4AU5YAHJPJUJBDQMPAFHQ55

not attested not anchored not stored refs pending

A multispectral analysis of the northeastern shell of IC 443

Alexandre Alarie, Laurent Drissen

arxiv:1908.02906 v1 · 2019-08-08 · 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{AMB4AU5YAHJPJUJBDQMPAFHQ55}

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	2026-07-05T00:01:03.034481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0303c053b801d2f4d1211c18f014f0ef631ce9f99123c17119d7e7757f6da87e

Aliases

arxiv: 1908.02906 · arxiv_version: 1908.02906v1 · doi: 10.48550/arxiv.1908.02906 · pith_short_12: AMB4AU5YAHJP · pith_short_16: AMB4AU5YAHJPJUJB · pith_short_8: AMB4AU5Y

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/AMB4AU5YAHJPJUJBDQMPAFHQ55 \
  | 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: 0303c053b801d2f4d1211c18f014f0ef631ce9f99123c17119d7e7757f6da87e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19e612dbb29adaa60ff2daaa5445cac690af99eab07fbc74e9d4ed9bbe81bb0a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-08T02:11:39Z",
    "title_canon_sha256": "62233d51890f02423ac2c54638ccecec0a16c60f4f776290f6a199adceb5eab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02906",
    "kind": "arxiv",
    "version": 1
  }
}