Pith Number

pith:CHDMIFY5

pith:2015:CHDMIFY5YVY5JAEH7NEZZUSKQT

not attested not anchored not stored refs pending

Continuing EVN monitoring of HST-1 in the jet of M87

Akihiro Doi, Andrea Cesarini, Carolina Casadio, Gabriele Giovannini, Henric Krawczynski, Hiroshi Nagai, Jos\'e Luis G\'omez, Kazuhiro Hada, Marcello Giroletti, Matthias Beilicke, Motoki Kino, Teddy Cheung

arxiv:1504.01808 v1 · 2015-04-08 · 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{CHDMIFY5YVY5JAEH7NEZZUSKQT}

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	2026-05-18T02:19:18.286864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11c6c4171dc571d48087fb499cd24a84c311d02521125ffd74b5b4154e6e9f8e

Aliases

arxiv: 1504.01808 · arxiv_version: 1504.01808v1 · doi: 10.48550/arxiv.1504.01808 · pith_short_12: CHDMIFY5YVY5 · pith_short_16: CHDMIFY5YVY5JAEH · pith_short_8: CHDMIFY5

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/CHDMIFY5YVY5JAEH7NEZZUSKQT \
  | 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: 11c6c4171dc571d48087fb499cd24a84c311d02521125ffd74b5b4154e6e9f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbea851751dedbebdcc1ea1205b2f03a9019031e278666f86b726cd6e53f2835",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-04-08T02:41:56Z",
    "title_canon_sha256": "8249898fd8e7a4ec7f4d5e578b360454906752df5440862eed84073a9c9a0688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01808",
    "kind": "arxiv",
    "version": 1
  }
}