Pith Number

pith:SEJFAM2H

pith:2015:SEJFAM2HUU5B2F3SJIVGQMULLL

not attested not anchored not stored refs pending

Widespread Excess Ice in Arcadia Planitia, Mars

Ali M. Bramson, Jeffrey J. Plaut, John W. Holt, Nathaniel E. Putzig, Sarah Sutton, Shane Byrne, T. Charles Brothers

arxiv:1509.03210 v1 · 2015-09-10 · 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{SEJFAM2HUU5B2F3SJIVGQMULLL}

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	2026-05-18T01:33:25.052365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9112503347a53a1d17724a2a68328b5aca2c0dda515cbbac464895c5dcf775f8

Aliases

arxiv: 1509.03210 · arxiv_version: 1509.03210v1 · doi: 10.48550/arxiv.1509.03210 · pith_short_12: SEJFAM2HUU5B · pith_short_16: SEJFAM2HUU5B2F3S · pith_short_8: SEJFAM2H

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/SEJFAM2HUU5B2F3SJIVGQMULLL \
  | 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: 9112503347a53a1d17724a2a68328b5aca2c0dda515cbbac464895c5dcf775f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43a6120cc8b186daea676100ae9c6211ba7329cf9b6e0b4abee0c277a1c2222e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-09-10T16:09:21Z",
    "title_canon_sha256": "f3b29f72754847da0d9bf3955cfb7209a1346d210c7d039b393bd75761b8a237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03210",
    "kind": "arxiv",
    "version": 1
  }
}