Pith Number

pith:YTFGAJMU

pith:2015:YTFGAJMUYJCIUXREQNEHCKE4G4

not attested not anchored not stored refs pending

Photochemical Escape of Oxygen from Early Mars

Feng Tian, Jinjin Zhao

arxiv:1501.04423 v1 · 2015-01-19 · 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{YTFGAJMUYJCIUXREQNEHCKE4G4}

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	2026-05-18T02:29:09.036831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4ca602594c2448a5e24834871289c373f5c630be22b6d1fff8b99e24a5a710e

Aliases

arxiv: 1501.04423 · arxiv_version: 1501.04423v1 · doi: 10.48550/arxiv.1501.04423 · pith_short_12: YTFGAJMUYJCI · pith_short_16: YTFGAJMUYJCIUXRE · pith_short_8: YTFGAJMU

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/YTFGAJMUYJCIUXREQNEHCKE4G4 \
  | 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: c4ca602594c2448a5e24834871289c373f5c630be22b6d1fff8b99e24a5a710e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbdbd2aa44ec1713ed072746ed57c195667edd50871b53c68a17a7b6e6712e00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-01-19T08:59:03Z",
    "title_canon_sha256": "0bbcbcc1ba7056992d6e7adcb373a9813dd8a8b52c1c82995614d2dc26c4bb34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04423",
    "kind": "arxiv",
    "version": 1
  }
}