Pith Number

pith:2AQTKAL2

pith:2021:2AQTKAL2TEK6T2HIL7MC34DBI5

not attested not anchored not stored refs pending

Multi-epoch Optical Images of IRC+10216 Tell About the Central Star And the Adjacent Environment

2), (2) ASIAA, (3) NAOJ, 4), (4) METASPACE, 5), (5) ESO Chile, (6) Univ. de Montpellier, (7) Univ. of Denver), CNRS, Ho-Gyu Lee (1), Hyosun Kim (1, Ji Hoon Kim (3, Nicolas Mauron (6), Peter Scicluna (2, Toshiya Ueta (7) ((1) KASI, You-Hua Chu (2), Youichi Ohyama (2)

arxiv:2105.05931 v1 · 2021-05-12 · 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{2AQTKAL2TEK6T2HIL7MC34DBI5}

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	2026-07-05T02:51:25.841745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d02135017a9915e9e8e85fd82df06147640663f872641e5d0c3c6d81cb9f3011

Aliases

arxiv: 2105.05931 · arxiv_version: 2105.05931v1 · doi: 10.48550/arxiv.2105.05931 · pith_short_12: 2AQTKAL2TEK6 · pith_short_16: 2AQTKAL2TEK6T2HI · pith_short_8: 2AQTKAL2

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/2AQTKAL2TEK6T2HIL7MC34DBI5 \
  | 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: d02135017a9915e9e8e85fd82df06147640663f872641e5d0c3c6d81cb9f3011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da9edf6ae9c5a98cf4a57231cf3d35670aa422149d89546bfaf6f5ef315d4cca",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-12T19:52:15Z",
    "title_canon_sha256": "9779479c3a454322ccd10c50c9d2df1e5a8d80cbb6b94d9d7ce1e691077ebc9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.05931",
    "kind": "arxiv",
    "version": 1
  }
}