Pith Number

pith:YAD3VVRJ

pith:2018:YAD3VVRJZDSSCTYQPG7G4PX34A

not attested not anchored not stored refs pending

Systems Enginnering applied to spectroscopy of the ELTs: The Conceptual Design phase of GMACS

A. Souza, D. M. Faes, D. R. Bortoletto, M. C. P. Almeida

arxiv:1812.03866 v1 · 2018-12-07 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YAD3VVRJZDSSCTYQPG7G4PX34A}

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	2026-05-17T23:58:43.713050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c007bad629c8e5214f1079be6e3efbe007dc4afdfa2cdc9c66b50b333adb0c8f

Aliases

arxiv: 1812.03866 · arxiv_version: 1812.03866v1 · doi: 10.48550/arxiv.1812.03866 · pith_short_12: YAD3VVRJZDSS · pith_short_16: YAD3VVRJZDSSCTYQ · pith_short_8: YAD3VVRJ

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/YAD3VVRJZDSSCTYQPG7G4PX34A \
  | 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: c007bad629c8e5214f1079be6e3efbe007dc4afdfa2cdc9c66b50b333adb0c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e64ef3ad1f34f86da318ab3a20343bd84c0c10da07bd84ade3c4753b3033099",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-12-07T10:52:24Z",
    "title_canon_sha256": "a1ce72b5b25d1a75dcfab863f1072f23aa846432e596ec55d6e3710899f979f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03866",
    "kind": "arxiv",
    "version": 1
  }
}