Pith Number

pith:ZSGEPAQT

pith:2015:ZSGEPAQTE2H6PJBDH64FGYRGPQ

not attested not anchored not stored refs pending

On the occurrence of galaxy harassment

Christoph Olczak, Daniel Bialas, Rainer Spurzem, Ralf Kotulla, Thorsten Lisker

arxiv:1503.01965 v1 · 2015-03-06 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSGEPAQTE2H6PJBDH64FGYRGPQ}

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	2026-05-18T02:18:51.125737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc8c478213268fe7a4233fb85362267c0fce69397e0cc6361a5ddc3aadee632d

Aliases

arxiv: 1503.01965 · arxiv_version: 1503.01965v1 · doi: 10.48550/arxiv.1503.01965 · pith_short_12: ZSGEPAQTE2H6 · pith_short_16: ZSGEPAQTE2H6PJBD · pith_short_8: ZSGEPAQT

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/ZSGEPAQTE2H6PJBDH64FGYRGPQ \
  | 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: cc8c478213268fe7a4233fb85362267c0fce69397e0cc6361a5ddc3aadee632d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d0a80713b92e02910b66f2af499339068ea43a4f1fdc7c1c37b7e4743ead766",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-06T14:15:22Z",
    "title_canon_sha256": "9adf5f00b307abf30bb36a2c46fb7388406316ffa7b489455aa67185afc4f796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01965",
    "kind": "arxiv",
    "version": 1
  }
}