Pith Number

pith:SYDIBNXV

pith:2014:SYDIBNXVAZDGWE37X557DUM65X

not attested not anchored not stored refs pending

4MOST - 4m Multi Object Spectroscopic Telescope

Eric Depagne, the 4MOST consortium

arxiv:1409.2279 v1 · 2014-09-08 · astro-ph.IM · 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{SYDIBNXVAZDGWE37X557DUM65X}

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	2026-05-18T01:42:06.810448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

960680b6f506466b137fbf7bf1d19eedf045be93b824f7cbbd4343a866f23cd2

Aliases

arxiv: 1409.2279 · arxiv_version: 1409.2279v1 · doi: 10.48550/arxiv.1409.2279 · pith_short_12: SYDIBNXVAZDG · pith_short_16: SYDIBNXVAZDGWE37 · pith_short_8: SYDIBNXV

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/SYDIBNXVAZDGWE37X557DUM65X \
  | 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: 960680b6f506466b137fbf7bf1d19eedf045be93b824f7cbbd4343a866f23cd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6a3b6ea062b46f9ce4f8cc20a9ae6476c165e9b3084f827fb07cd68394afc43",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-09-08T10:39:42Z",
    "title_canon_sha256": "70e59af4cec604398e73798dfe043e0d4249eda14fa8849ac187f3e40f8f902f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2279",
    "kind": "arxiv",
    "version": 1
  }
}