Pith Number

pith:TQRU4TVQ

pith:1996:TQRU4TVQFOWW6XVS37T4LLTUCI

not attested not anchored not stored refs pending

Lagrangian perfect fluids and black hole mechanics

Vivek Iyer

arxiv:gr-qc/9610025 v1 · 1996-10-15 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQRU4TVQFOWW6XVS37T4LLTUCI}

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.

Cited by

1 paper in Pith

Semi-classical spacetime thermodynamics

Receipt and verification

First computed	2026-07-04T16:01:18.865243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c234e4eb02bad6f5eb2dfe7c5ae74120fc9dd081f236d521de471fe00b45358

Aliases

arxiv: gr-qc/9610025 · arxiv_version: gr-qc/9610025v1 · doi: 10.48550/arxiv.gr-qc/9610025 · pith_short_12: TQRU4TVQFOWW · pith_short_16: TQRU4TVQFOWW6XVS · pith_short_8: TQRU4TVQ

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/TQRU4TVQFOWW6XVS37T4LLTUCI \
  | 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: 9c234e4eb02bad6f5eb2dfe7c5ae74120fc9dd081f236d521de471fe00b45358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f935578ce6b367f32eb0de57e2b3db99f4b09b8a3a98f2285f0d8a50fa4549bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-10-15T03:26:47Z",
    "title_canon_sha256": "2f5d5acafd51e78d71b202fdd1f1b67b2e1d2e8f47b7a72bd1bc5a6f6cc2d1b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9610025",
    "kind": "arxiv",
    "version": 1
  }
}