Pith Number

pith:P66EV3JV

pith:2016:P66EV3JVAI6BQ355GXBYLOODPK

not attested not anchored not stored refs pending

Optical Observing Conditions at Delingha Station

J.F. Tian, J.J. Sun, J. Yang, K. Wang, L.C. Deng, Q.L. Liu, Q. Zhou, X.B. Zhang, X.J. Jiang, X.M. Lu, Y. Xin, Z.Q. Luo, Z.Z. Yan

arxiv:1602.00838 v1 · 2016-02-02 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P66EV3JVAI6BQ355GXBYLOODPK}

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	2026-05-18T01:07:17.096908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fbc4aed35023c186fbd35c385b9c37aa5d78349d7261645d25c2eb9481a6cb6

Aliases

arxiv: 1602.00838 · arxiv_version: 1602.00838v1 · doi: 10.48550/arxiv.1602.00838 · pith_short_12: P66EV3JVAI6B · pith_short_16: P66EV3JVAI6BQ355 · pith_short_8: P66EV3JV

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/P66EV3JVAI6BQ355GXBYLOODPK \
  | 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: 7fbc4aed35023c186fbd35c385b9c37aa5d78349d7261645d25c2eb9481a6cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eaeb395a64fe5effa368e94adda5591d30fbdc194e7c8a99ef71fecf4e8172f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-02-02T09:13:03Z",
    "title_canon_sha256": "d894334b3d08d6fadcd3edd003cd85584758450122d6dd16a4ebc10800fc8990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00838",
    "kind": "arxiv",
    "version": 1
  }
}