Pith Number

pith:ZGRM55QH

pith:2021:ZGRM55QHGWST4TUXAGZQ72QLT5

not attested not anchored not stored refs pending

Near-infrared transmission spectrum of TRAPPIST-1 h using Hubble WFC3 G141 observations

A. Gressier, B. Charnay, B. Edwards, E. Marcq, J.P. Beaulieu, M. Mori, Q. Changeat

arxiv:2112.05510 v1 · 2021-12-10 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGRM55QHGWST4TUXAGZQ72QLT5}

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	2026-07-05T04:04:27.778457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9a2cef60735a53e4e9701b30fea0b9f457f59d71081afbf70f22f1e19bd62e8

Aliases

arxiv: 2112.05510 · arxiv_version: 2112.05510v1 · doi: 10.48550/arxiv.2112.05510 · pith_short_12: ZGRM55QHGWST · pith_short_16: ZGRM55QHGWST4TUX · pith_short_8: ZGRM55QH

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/ZGRM55QHGWST4TUXAGZQ72QLT5 \
  | 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: c9a2cef60735a53e4e9701b30fea0b9f457f59d71081afbf70f22f1e19bd62e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ecdf4581534e9b398846c4a121ea4bf369db6d8bf955809eb07eb05eafdfd06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-12-10T13:20:51Z",
    "title_canon_sha256": "7c4e843ea3013fddd99323546249e2609970a4362b76d598e237e7f26a1bd7d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.05510",
    "kind": "arxiv",
    "version": 1
  }
}