Pith Number

pith:W4UBJ3M7

pith:2020:W4UBJ3M7IG6ZFO43M6LXPEWFFO

not attested not anchored not stored refs pending

Chemical modelling of dust-gas chemistry within AGB outflows III. Photoprocessing of the ice and return to the ISM

C. Walsh, M. Van de Sande, T.J. Millar

arxiv:2011.11563 v1 · 2020-11-23 · astro-ph.SR · 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{W4UBJ3M7IG6ZFO43M6LXPEWFFO}

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	2026-07-05T01:56:16.183900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72814ed9f41bd92bb9b67977792c52b8ea889cd22f452d75ee6f239171d3303

Aliases

arxiv: 2011.11563 · arxiv_version: 2011.11563v1 · doi: 10.48550/arxiv.2011.11563 · pith_short_12: W4UBJ3M7IG6Z · pith_short_16: W4UBJ3M7IG6ZFO43 · pith_short_8: W4UBJ3M7

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/W4UBJ3M7IG6ZFO43M6LXPEWFFO \
  | 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: b72814ed9f41bd92bb9b67977792c52b8ea889cd22f452d75ee6f239171d3303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9b746a2e5a5dafb8ed4ca6c053585f2c9051bb584e59ac535fd58ff8dec691d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-11-23T17:17:49Z",
    "title_canon_sha256": "0770b85be23f46b100f5dc00811afd07b4f18aca1e96eaaabf50b3566c5ad3d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.11563",
    "kind": "arxiv",
    "version": 1
  }
}