Pith Number

pith:43Y6GNIW

pith:2021:43Y6GNIWHOFJ64RLWGVTRBZJK4

not attested not anchored not stored refs pending

Spitzer IRAC observations of JWST calibration stars

Carl Grillmair, George Rieke, Giovanni G. Fazio, James G. Ingalls, Jessica E. Krick, Joseph L. Hora, Karl D. Gordon, Patrick Lowrance, Ralph C. Bohlin, Schuyler D. Van Dyk, Sean Carey, Seppo Laine, William J. Glaccum

arxiv:2102.02319 v1 · 2021-02-03 · 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{43Y6GNIWHOFJ64RLWGVTRBZJK4}

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	2026-07-05T02:23:53.322677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f1e335163b8a9f722bb1ab388729573214ab734d71ea1a867f02deea6528ba

Aliases

arxiv: 2102.02319 · arxiv_version: 2102.02319v1 · doi: 10.48550/arxiv.2102.02319 · pith_short_12: 43Y6GNIWHOFJ · pith_short_16: 43Y6GNIWHOFJ64RL · pith_short_8: 43Y6GNIW

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/43Y6GNIWHOFJ64RLWGVTRBZJK4 \
  | 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: e6f1e335163b8a9f722bb1ab388729573214ab734d71ea1a867f02deea6528ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b351a168633c5cb3cc304b6f5c784bfd4ef7586d4b241f6d3c8e385fae632b7a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-02-03T22:48:10Z",
    "title_canon_sha256": "2348cba94bc1385edf8934c4391592ad3675f751733295b406b012919aee30e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02319",
    "kind": "arxiv",
    "version": 1
  }
}