Pith Number

pith:DKZBONMQ

pith:1999:DKZBONMQFZX4M6UA6SB5DM5GXK

not attested not anchored not stored refs pending

Hydrodynamical drag in cosmological simulations

Eric R. Tittley, F. R. Pearce, H. M. P. Couchman

arxiv:astro-ph/9911017 v2 · 1999-11-02 · 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{DKZBONMQFZX4M6UA6SB5DM5GXK}

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	2026-07-04T15:51:15.507537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ab21735902e6fc67a80f483d1b3a6bab34b76987cfd797b1e03f3fc6a0c9344

Aliases

arxiv: astro-ph/9911017 · arxiv_version: astro-ph/9911017v2 · doi: 10.48550/arxiv.astro-ph/9911017 · pith_short_12: DKZBONMQFZX4 · pith_short_16: DKZBONMQFZX4M6UA · pith_short_8: DKZBONMQ

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/DKZBONMQFZX4M6UA6SB5DM5GXK \
  | 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: 1ab21735902e6fc67a80f483d1b3a6bab34b76987cfd797b1e03f3fc6a0c9344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76066585a9dba0da7c3bd5eb95b022ff060ee1c47eb1be3f4f83cfe562ae7648",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-02T17:48:51Z",
    "title_canon_sha256": "0e7ea799fd343828e9aca7abb9a8293bc48e6529cf3b374d953c1ce4a567dc49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911017",
    "kind": "arxiv",
    "version": 2
  }
}