Pith Number

pith:ETUDTSOP

pith:2017:ETUDTSOPUY4SE7P7GH5UTBBL4I

not attested not anchored not stored refs pending

Conditions for Coronal Observation at the Lijiang Observatory in 2011

A. Elmhamdi, A. S. Kordi, M. Y. Zhao, T. F. Song, X. F. Zhang, Y. Liu, Z. J. Tian

arxiv:1709.02053 v2 · 2017-09-07 · 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{ETUDTSOPUY4SE7P7GH5UTBBL4I}

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	2026-05-18T00:24:51.695563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e839c9cfa639227dff31fb49842be2133c54b49e76a27670eb89b01666b16a

Aliases

arxiv: 1709.02053 · arxiv_version: 1709.02053v2 · doi: 10.48550/arxiv.1709.02053 · pith_short_12: ETUDTSOPUY4S · pith_short_16: ETUDTSOPUY4SE7P7 · pith_short_8: ETUDTSOP

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/ETUDTSOPUY4SE7P7GH5UTBBL4I \
  | 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: 24e839c9cfa639227dff31fb49842be2133c54b49e76a27670eb89b01666b16a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fadabde14022409c3c40e17540417c6420b88f68d72dd43a0aae027c9cc89193",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-09-07T02:52:53Z",
    "title_canon_sha256": "a54aa799de02c4869b17cc3c812b51212a5988bb6eb7fd29e96c8dd479b5a73a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02053",
    "kind": "arxiv",
    "version": 2
  }
}