Pith Number

pith:HYIT3Z4U

pith:2015:HYIT3Z4UISKQKHB5V2KY6QUFAP

not attested not anchored not stored refs pending

An Unprecedented Constraint on Water Content in the Sunlit Lunar Exosphere Seen by Lunar-Based Ultraviolet Telescope of Chang'e-3 Mission

C. Wu, H. B. Cai, J. S. Deng, J. Wang, J. Y. Wei, L. Cao, X. H. Han, X. M. Meng, Y. L. Qiu

arxiv:1502.04287 v1 · 2015-02-15 · astro-ph.EP · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYIT3Z4UISKQKHB5V2KY6QUFAP}

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	2026-05-18T01:41:03.153189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e113de7944495051c3dae958f428503d665bb6078c7b61366123daca766e8ae

Aliases

arxiv: 1502.04287 · arxiv_version: 1502.04287v1 · doi: 10.48550/arxiv.1502.04287 · pith_short_12: HYIT3Z4UISKQ · pith_short_16: HYIT3Z4UISKQKHB5 · pith_short_8: HYIT3Z4U

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/HYIT3Z4UISKQKHB5V2KY6QUFAP \
  | 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: 3e113de7944495051c3dae958f428503d665bb6078c7b61366123daca766e8ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c78e704821edc0ea4a0fe9d915da3b131d545184a9ae400a09abbef383ee93e3",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-15T07:12:59Z",
    "title_canon_sha256": "ee7d5801d2c30fcec5bb2de916342202e4657fa2add0a60dee107c0fadb15855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04287",
    "kind": "arxiv",
    "version": 1
  }
}