Pith Number

pith:FFJESNFY

pith:2001:FFJESNFYWDCS2LCQ4MMKO3CXXX

not attested not anchored not stored refs pending

A High Resolution X-ray Image of the Jet in M 87

(2) UMBC, 3), (3) JHU, (4) SAO), B. P. Miller (1), C. R. Canizares (1), D. E. Harris (4) ((1) MIT Center for Space Research, D. S. Davis (1), E. S. Perlman (2, H. L. Marshall (1), M. Wise (1)

arxiv:astro-ph/0109160 v1 · 2001-09-10 · astro-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{FFJESNFYWDCS2LCQ4MMKO3CXXX}

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.

Cited by

1 paper in Pith

Constraining the jet base emission of M87* with past and future Event Horizon Telescope observations

Receipt and verification

First computed	2026-07-04T16:24:05.791015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29524934b8b0c52d2c50e318a76c57bdc2919435a072faa04b32108c48a30251

Aliases

arxiv: astro-ph/0109160 · arxiv_version: astro-ph/0109160v1 · doi: 10.48550/arxiv.astro-ph/0109160 · pith_short_12: FFJESNFYWDCS · pith_short_16: FFJESNFYWDCS2LCQ · pith_short_8: FFJESNFY

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/FFJESNFYWDCS2LCQ4MMKO3CXXX \
  | 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: 29524934b8b0c52d2c50e318a76c57bdc2919435a072faa04b32108c48a30251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "143e546a361e7137c04721c5e1e15fd55b8de87eabf336d4c4d4fe5bd4e7117e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-10T20:03:00Z",
    "title_canon_sha256": "1295edb726614377ede620664cd4bc51ea0c2832f6d33be42b54d472ea99f0ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109160",
    "kind": "arxiv",
    "version": 1
  }
}