Pith Number

pith:VF3K5Q6T

pith:2017:VF3K5Q6T276JCTTBBNXZ2VIPEC

not attested not anchored not stored refs pending

No Tau? No Astronomy!

Daniele Fargion, Pietro Oliva

arxiv:1707.01982 v3 · 2017-07-06 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VF3K5Q6T276JCTTBBNXZ2VIPEC}

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	2026-05-18T00:40:23.562423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a976aec3d3d7fc914e610b6f9d550f209ef548753f83baf861869051c1462d63

Aliases

arxiv: 1707.01982 · arxiv_version: 1707.01982v3 · doi: 10.48550/arxiv.1707.01982 · pith_short_12: VF3K5Q6T276J · pith_short_16: VF3K5Q6T276JCTTB · pith_short_8: VF3K5Q6T

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/VF3K5Q6T276JCTTBBNXZ2VIPEC \
  | 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: a976aec3d3d7fc914e610b6f9d550f209ef548753f83baf861869051c1462d63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1599d8ba3ca27fcfe407656a41346f606d224771cffe00a4677864d06474a65b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-07-06T22:25:35Z",
    "title_canon_sha256": "ecfe17e1186279578fc7c0963e7acf5d10a93db7449f548ffff9af32cc3a9f85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01982",
    "kind": "arxiv",
    "version": 3
  }
}