Pith Number

pith:SCTHJFJ7

pith:2009:SCTHJFJ74OCGOMGA5A3QBPZJIP

not attested not anchored not stored refs pending

Physics of relativistic shocks

Mikhail V. Medvedev (KU)

arxiv:0909.3309 v1 · 2009-09-17 · astro-ph.HE · 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{SCTHJFJ74OCGOMGA5A3QBPZJIP}

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	2026-05-18T02:34:29.613201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a674953fe3846730c0e83700bf2943fcff818786586c28924d242c75eb21a9

Aliases

arxiv: 0909.3309 · arxiv_version: 0909.3309v1 · doi: 10.48550/arxiv.0909.3309 · pith_short_12: SCTHJFJ74OCG · pith_short_16: SCTHJFJ74OCGOMGA · pith_short_8: SCTHJFJ7

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/SCTHJFJ74OCGOMGA5A3QBPZJIP \
  | 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: 90a674953fe3846730c0e83700bf2943fcff818786586c28924d242c75eb21a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "541180bebc7e03c9195730890f6ab8ef1c67a4bb57b528e94dd3d7b033e6e35f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-17T20:10:19Z",
    "title_canon_sha256": "46ad03ca94759fbeeac4a6399eb0b4f56f29c4d3365224958966d01bc68ce4a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3309",
    "kind": "arxiv",
    "version": 1
  }
}