Pith Number

pith:7ZGYYO5O

pith:2016:7ZGYYO5OJB4A7RDZ7DQHUPDZ2W

not attested not anchored not stored refs pending

SOAR observations of the high-viscosity accretion disc of the dwarf nova V4140 Sagitarii in quiescence and in outburst

(2) UFSC-Ararangu\'a, (3) UNIVAP, Alexandre S. Oliveira (3) ((1) UFSC-Florian\'oplis, Bernardo W. Borges (2), Brazil, Brazil), Raymundo Baptista (1)

arxiv:1609.03453 v1 · 2016-09-12 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZGYYO5OJB4A7RDZ7DQHUPDZ2W}

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	2026-05-18T01:04:09.865398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe4d8c3bae48780fc479f8e07a3c79d5814dade6af0461b664006fa1081ee4fa

Aliases

arxiv: 1609.03453 · arxiv_version: 1609.03453v1 · doi: 10.48550/arxiv.1609.03453 · pith_short_12: 7ZGYYO5OJB4A · pith_short_16: 7ZGYYO5OJB4A7RDZ · pith_short_8: 7ZGYYO5O

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/7ZGYYO5OJB4A7RDZ7DQHUPDZ2W \
  | 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: fe4d8c3bae48780fc479f8e07a3c79d5814dade6af0461b664006fa1081ee4fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a116a1019c622acb5a1d7ce88dbf2fcad2db68308886f5450399cac5d9f75874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-12T15:46:52Z",
    "title_canon_sha256": "0491b482f82fe7f18f9745d8e623aaf967be5f6526f3e3c41f418b9f45b37b8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03453",
    "kind": "arxiv",
    "version": 1
  }
}