Pith Number

pith:DI63VVDT

pith:2010:DI63VVDTSQH5B4JRLEC7DNROD4

not attested not anchored not stored refs pending

VLBI detection of the HST-1 feature in the M87 jet at 2 cm

C. S. Chang, E. Ros, M. L. Lister, Y. Y. Kovalev

arxiv:1002.2588 v1 · 2010-02-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DI63VVDTSQH5B4JRLEC7DNROD4}

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	2026-07-04T17:30:19.661265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a3dbad473940fd0f1315905f1b62e1f2fce70b5a897db5bc99c88e7fc6b8b92

Aliases

arxiv: 1002.2588 · arxiv_version: 1002.2588v1 · doi: 10.48550/arxiv.1002.2588 · pith_short_12: DI63VVDTSQH5 · pith_short_16: DI63VVDTSQH5B4JR · pith_short_8: DI63VVDT

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/DI63VVDTSQH5B4JRLEC7DNROD4 \
  | 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: 1a3dbad473940fd0f1315905f1b62e1f2fce70b5a897db5bc99c88e7fc6b8b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5106fd07c9902e887fc9743002c13a92dd1b64828f1dbd7cb137a70b6d08a56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-12T16:36:03Z",
    "title_canon_sha256": "11209c49de8239ef566080ec24e5aa2dab1cb0c149f10d05699b48804c21ef9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2588",
    "kind": "arxiv",
    "version": 1
  }
}