Pith Number

pith:E52WBAOH

pith:2013:E52WBAOHW3NRSVB5LFNJXFVNDS

not attested not anchored not stored refs pending

Greenland Telescope (GLT) Project: "A Direct Confirmation of Black Hole with Submillimeter VLBI"

B. Chen, C.-Y. Kuo, C.-Y. Tseng, G. Nystom, H. Nishioka, H.-Y. Pu, H.-Y. Shen, J.-C. Algaba, J. Han, K. Asada, M. Inoue, M. Nakamura, M.-T. Chen, N. Pradel, P.H.P. Ho, P. Koch, P. Martin-Cocher, P. Raffin, S. Matsushita, S.-N. Hsieh, the Greenland Telescope Project Team, T. Huang, Z. Meyer-Zhao

arxiv:1310.1665 v1 · 2013-10-07 · astro-ph.IM · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E52WBAOHW3NRSVB5LFNJXFVNDS}

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	2026-05-18T01:47:14.633801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27756081c7b6db19543d595a9b96ad1cac66d143d2ea6bbbd718984603a94e63

Aliases

arxiv: 1310.1665 · arxiv_version: 1310.1665v1 · doi: 10.48550/arxiv.1310.1665 · pith_short_12: E52WBAOHW3NR · pith_short_16: E52WBAOHW3NRSVB5 · pith_short_8: E52WBAOH

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/E52WBAOHW3NRSVB5LFNJXFVNDS \
  | 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: 27756081c7b6db19543d595a9b96ad1cac66d143d2ea6bbbd718984603a94e63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d0bc6f67b1770af5f1eefafe3776e83b3087ce18fb48b846abb511bf4175cb6",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-10-07T03:09:42Z",
    "title_canon_sha256": "83e12af27aba5f68082b2db938976e43eeb346ae614c47ad976538ea38dac7d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1665",
    "kind": "arxiv",
    "version": 1
  }
}